diff --git a/unix/mkall.sh b/unix/mkall.sh
index 83f2d429..d257fac5 100755
--- a/unix/mkall.sh
+++ b/unix/mkall.sh
@@ -73,26 +73,22 @@ aix_ppc64)
 darwin_386)
 	mkerrors="$mkerrors -m32"
 	mksyscall="go run mksyscall.go -l32"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_amd64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_arm)
 	mkerrors="$mkerrors"
 	mksyscall="go run mksyscall.go -l32"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_arm64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
@@ -226,8 +222,6 @@ esac
 				# aix/ppc64 script generates files instead of writing to stdin.
 				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in && gofmt -w zsyscall_$GOOSARCH.go && gofmt -w zsyscall_"$GOOSARCH"_gccgo.go && gofmt -w zsyscall_"$GOOSARCH"_gc.go " ;
 			elif [ "$GOOS" == "darwin" ]; then
-			        # pre-1.12, direct syscalls
-			        echo "$mksyscall -tags $GOOS,$GOARCH,!go1.12 $syscall_goos syscall_darwin_${GOARCH}.1_11.go $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.1_11.go";
 			        # 1.12 and later, syscalls via libSystem
 				echo "$mksyscall -tags $GOOS,$GOARCH,go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
 				# 1.13 and later, syscalls via libSystem (including syscallPtr)
diff --git a/unix/syscall_darwin_386.1_11.go b/unix/syscall_darwin_386.1_11.go
deleted file mode 100644
index 6b223f91..00000000
--- a/unix/syscall_darwin_386.1_11.go
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin,386,!go1.12
-
-package unix
-
-//sys  Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
diff --git a/unix/syscall_darwin_386.go b/unix/syscall_darwin_386.go
index 2724e3a5..ea0be1e9 100644
--- a/unix/syscall_darwin_386.go
+++ b/unix/syscall_darwin_386.go
@@ -44,10 +44,6 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/386 the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
diff --git a/unix/syscall_darwin_amd64.1_11.go b/unix/syscall_darwin_amd64.1_11.go
deleted file mode 100644
index 68ebd6fa..00000000
--- a/unix/syscall_darwin_amd64.1_11.go
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin,amd64,!go1.12
-
-package unix
-
-//sys  Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
diff --git a/unix/syscall_darwin_amd64.go b/unix/syscall_darwin_amd64.go
index ce2e0d24..58624044 100644
--- a/unix/syscall_darwin_amd64.go
+++ b/unix/syscall_darwin_amd64.go
@@ -44,10 +44,6 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/amd64 the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
diff --git a/unix/syscall_darwin_arm.1_11.go b/unix/syscall_darwin_arm.1_11.go
deleted file mode 100644
index 0e3f25ac..00000000
--- a/unix/syscall_darwin_arm.1_11.go
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin,arm,!go1.12
-
-package unix
-
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	return 0, ENOSYS
-}
diff --git a/unix/syscall_darwin_arm.go b/unix/syscall_darwin_arm.go
index fc17a3f2..b8b31418 100644
--- a/unix/syscall_darwin_arm.go
+++ b/unix/syscall_darwin_arm.go
@@ -44,10 +44,6 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/arm the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error)
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
diff --git a/unix/syscall_darwin_arm64.1_11.go b/unix/syscall_darwin_arm64.1_11.go
deleted file mode 100644
index 01d45040..00000000
--- a/unix/syscall_darwin_arm64.1_11.go
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin,arm64,!go1.12
-
-package unix
-
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	return 0, ENOSYS
-}
diff --git a/unix/syscall_darwin_arm64.go b/unix/syscall_darwin_arm64.go
index 1e91ddf3..67413983 100644
--- a/unix/syscall_darwin_arm64.go
+++ b/unix/syscall_darwin_arm64.go
@@ -46,10 +46,6 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/arm64 the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error)
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
diff --git a/unix/zsyscall_darwin_386.1_11.go b/unix/zsyscall_darwin_386.1_11.go
deleted file mode 100644
index 23e94d36..00000000
--- a/unix/zsyscall_darwin_386.1_11.go
+++ /dev/null
@@ -1,1809 +0,0 @@
-// go run mksyscall.go -l32 -tags darwin,386,!go1.12 syscall_bsd.go syscall_darwin.go syscall_darwin_386.1_11.go syscall_darwin_386.go
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build darwin,386,!go1.12
-
-package unix
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var _ syscall.Errno
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getgroups(ngid int, gid *_Gid_t) (n int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setgroups(ngid int, gid *_Gid_t) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) {
-	r0, _, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0)
-	wpid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_BIND, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socket(domain int, typ int, proto int) (fd int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
-	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {
-	_, _, e1 := Syscall6(SYS_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Shutdown(s int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(s), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) {
-	_, _, e1 := RawSyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_KEVENT, uintptr(kq), uintptr(change), uintptr(nchange), uintptr(event), uintptr(nevent), uintptr(unsafe.Pointer(timeout)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func utimes(path string, timeval *[2]Timeval) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func futimes(fd int, timeval *[2]Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_FUTIMES, uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Madvise(b []byte, behav int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MADVISE, uintptr(_p0), uintptr(len(b)), uintptr(behav))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlockall(flags int) (err error) {
-	_, _, e1 := Syscall(SYS_MLOCKALL, uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mprotect(b []byte, prot int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Msync(b []byte, flags int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MUNLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlockall() (err error) {
-	_, _, e1 := Syscall(SYS_MUNLOCKALL, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_GETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func pipe() (r int, w int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	r = int(r0)
-	w = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_FGETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func removexattr(path string, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fremovexattr(fd int, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_FREMOVEXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func listxattr(path string, dest *byte, size int, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) {
-	r0, _, e1 := Syscall6(SYS_FLISTXATTR, uintptr(fd), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_SETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fcntl(fd int, cmd int, arg int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kill(pid int, signum int, posix int) (err error) {
-	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func ioctl(fd int, req uint, arg uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
-	var _p0 unsafe.Pointer
-	if len(mib) > 0 {
-		_p0 = unsafe.Pointer(&mib[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) {
-	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(offset), uintptr(offset>>32), uintptr(unsafe.Pointer(len)), uintptr(hdtr), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Access(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Adjtime(delta *Timeval, olddelta *Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_ADJTIME, uintptr(unsafe.Pointer(delta)), uintptr(unsafe.Pointer(olddelta)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chflags(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chmod(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chroot(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Close(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup(fd int) (nfd int, err error) {
-	r0, _, e1 := Syscall(SYS_DUP, uintptr(fd), 0, 0)
-	nfd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup2(from int, to int) (err error) {
-	_, _, e1 := Syscall(SYS_DUP2, uintptr(from), uintptr(to), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exchangedata(path1 string, path2 string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path1)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(path2)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_EXCHANGEDATA, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exit(code int) {
-	Syscall(SYS_EXIT, uintptr(code), 0, 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchdir(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchflags(fd int, flags int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHFLAGS, uintptr(fd), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmod(fd int, mode uint32) (err error) {
-	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchown(fd int, uid int, gid int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Flock(fd int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fpathconf(fd int, name int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FPATHCONF, uintptr(fd), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fsync(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Ftruncate(fd int, length int64) (err error) {
-	_, _, e1 := Syscall(SYS_FTRUNCATE, uintptr(fd), uintptr(length), uintptr(length>>32))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getdtablesize() (size int) {
-	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
-	size = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
-	egid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Geteuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
-	gid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgid(pid int) (pgid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETPGID, uintptr(pid), 0, 0)
-	pgid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgrp() (pgrp int) {
-	r0, _, _ := RawSyscall(SYS_GETPGRP, 0, 0, 0)
-	pgrp = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
-	pid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
-	ppid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpriority(which int, who int) (prio int, err error) {
-	r0, _, e1 := Syscall(SYS_GETPRIORITY, uintptr(which), uintptr(who), 0)
-	prio = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrusage(who int, rusage *Rusage) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getsid(pid int) (sid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
-	sid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Gettimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Issetugid() (tainted bool) {
-	r0, _, _ := RawSyscall(SYS_ISSETUGID, 0, 0, 0)
-	tainted = bool(r0 != 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Kqueue() (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_KQUEUE, 0, 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lchown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Link(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_LINKAT, uintptr(pathfd), uintptr(unsafe.Pointer(_p0)), uintptr(linkfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Listen(s int, backlog int) (err error) {
-	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdir(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdirat(dirfd int, path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkfifo(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mknod(path string, mode uint32, dev int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Open(path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pathconf(path string, name int) (val int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func read(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlink(path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_READLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rename(from string, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Renameat(fromfd int, from string, tofd int, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Revoke(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rmdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
-	r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0)
-	newoffset = int64(int64(r1)<<32 | int64(r0))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_SELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setegid(egid int) (err error) {
-	_, _, e1 := Syscall(SYS_SETEGID, uintptr(egid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seteuid(euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETEUID, uintptr(euid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setgid(gid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGID, uintptr(gid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setlogin(name string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(name)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpgid(pid int, pgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpriority(which int, who int, prio int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIORITY, uintptr(which), uintptr(who), uintptr(prio))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setprivexec(flag int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIVEXEC, uintptr(flag), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setsid() (pid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SETSID, 0, 0, 0)
-	pid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Settimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setuid(uid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETUID, uintptr(uid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlink(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINKAT, uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Sync() (err error) {
-	_, _, e1 := Syscall(SYS_SYNC, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Truncate(path string, length int64) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), uintptr(length>>32))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Umask(newmask int) (oldmask int) {
-	r0, _, _ := Syscall(SYS_UMASK, uintptr(newmask), 0, 0)
-	oldmask = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Undelete(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlink(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlinkat(dirfd int, path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unmount(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func write(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
-	r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos), uintptr(pos>>32), 0, 0)
-	ret = uintptr(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func munmap(addr uintptr, length uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
-	_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstat(fd int, stat *Stat_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTAT64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatfs(fd int, stat *Statfs_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(buf), uintptr(size), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lstat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Stat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Statfs(path string, stat *Statfs_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
diff --git a/unix/zsyscall_darwin_amd64.1_11.go b/unix/zsyscall_darwin_amd64.1_11.go
deleted file mode 100644
index 10256173..00000000
--- a/unix/zsyscall_darwin_amd64.1_11.go
+++ /dev/null
@@ -1,1809 +0,0 @@
-// go run mksyscall.go -tags darwin,amd64,!go1.12 syscall_bsd.go syscall_darwin.go syscall_darwin_amd64.1_11.go syscall_darwin_amd64.go
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build darwin,amd64,!go1.12
-
-package unix
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var _ syscall.Errno
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getgroups(ngid int, gid *_Gid_t) (n int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setgroups(ngid int, gid *_Gid_t) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) {
-	r0, _, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0)
-	wpid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_BIND, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socket(domain int, typ int, proto int) (fd int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
-	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {
-	_, _, e1 := Syscall6(SYS_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Shutdown(s int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(s), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) {
-	_, _, e1 := RawSyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_KEVENT, uintptr(kq), uintptr(change), uintptr(nchange), uintptr(event), uintptr(nevent), uintptr(unsafe.Pointer(timeout)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func utimes(path string, timeval *[2]Timeval) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func futimes(fd int, timeval *[2]Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_FUTIMES, uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Madvise(b []byte, behav int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MADVISE, uintptr(_p0), uintptr(len(b)), uintptr(behav))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlockall(flags int) (err error) {
-	_, _, e1 := Syscall(SYS_MLOCKALL, uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mprotect(b []byte, prot int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Msync(b []byte, flags int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MUNLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlockall() (err error) {
-	_, _, e1 := Syscall(SYS_MUNLOCKALL, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_GETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func pipe() (r int, w int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	r = int(r0)
-	w = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_FGETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func removexattr(path string, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fremovexattr(fd int, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_FREMOVEXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func listxattr(path string, dest *byte, size int, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) {
-	r0, _, e1 := Syscall6(SYS_FLISTXATTR, uintptr(fd), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_SETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fcntl(fd int, cmd int, arg int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kill(pid int, signum int, posix int) (err error) {
-	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func ioctl(fd int, req uint, arg uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
-	var _p0 unsafe.Pointer
-	if len(mib) > 0 {
-		_p0 = unsafe.Pointer(&mib[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) {
-	_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(offset), uintptr(unsafe.Pointer(len)), uintptr(hdtr), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Access(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Adjtime(delta *Timeval, olddelta *Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_ADJTIME, uintptr(unsafe.Pointer(delta)), uintptr(unsafe.Pointer(olddelta)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chflags(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chmod(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chroot(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Close(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup(fd int) (nfd int, err error) {
-	r0, _, e1 := Syscall(SYS_DUP, uintptr(fd), 0, 0)
-	nfd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup2(from int, to int) (err error) {
-	_, _, e1 := Syscall(SYS_DUP2, uintptr(from), uintptr(to), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exchangedata(path1 string, path2 string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path1)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(path2)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_EXCHANGEDATA, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exit(code int) {
-	Syscall(SYS_EXIT, uintptr(code), 0, 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchdir(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchflags(fd int, flags int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHFLAGS, uintptr(fd), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmod(fd int, mode uint32) (err error) {
-	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchown(fd int, uid int, gid int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Flock(fd int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fpathconf(fd int, name int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FPATHCONF, uintptr(fd), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fsync(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Ftruncate(fd int, length int64) (err error) {
-	_, _, e1 := Syscall(SYS_FTRUNCATE, uintptr(fd), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getdtablesize() (size int) {
-	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
-	size = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
-	egid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Geteuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
-	gid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgid(pid int) (pgid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETPGID, uintptr(pid), 0, 0)
-	pgid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgrp() (pgrp int) {
-	r0, _, _ := RawSyscall(SYS_GETPGRP, 0, 0, 0)
-	pgrp = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
-	pid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
-	ppid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpriority(which int, who int) (prio int, err error) {
-	r0, _, e1 := Syscall(SYS_GETPRIORITY, uintptr(which), uintptr(who), 0)
-	prio = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrusage(who int, rusage *Rusage) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getsid(pid int) (sid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
-	sid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Gettimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Issetugid() (tainted bool) {
-	r0, _, _ := RawSyscall(SYS_ISSETUGID, 0, 0, 0)
-	tainted = bool(r0 != 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Kqueue() (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_KQUEUE, 0, 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lchown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Link(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_LINKAT, uintptr(pathfd), uintptr(unsafe.Pointer(_p0)), uintptr(linkfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Listen(s int, backlog int) (err error) {
-	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdir(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdirat(dirfd int, path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkfifo(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mknod(path string, mode uint32, dev int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Open(path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pathconf(path string, name int) (val int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func read(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlink(path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_READLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rename(from string, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Renameat(fromfd int, from string, tofd int, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Revoke(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rmdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
-	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
-	newoffset = int64(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_SELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setegid(egid int) (err error) {
-	_, _, e1 := Syscall(SYS_SETEGID, uintptr(egid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seteuid(euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETEUID, uintptr(euid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setgid(gid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGID, uintptr(gid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setlogin(name string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(name)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpgid(pid int, pgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpriority(which int, who int, prio int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIORITY, uintptr(which), uintptr(who), uintptr(prio))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setprivexec(flag int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIVEXEC, uintptr(flag), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setsid() (pid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SETSID, 0, 0, 0)
-	pid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Settimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setuid(uid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETUID, uintptr(uid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlink(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINKAT, uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Sync() (err error) {
-	_, _, e1 := Syscall(SYS_SYNC, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Truncate(path string, length int64) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Umask(newmask int) (oldmask int) {
-	r0, _, _ := Syscall(SYS_UMASK, uintptr(newmask), 0, 0)
-	oldmask = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Undelete(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlink(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlinkat(dirfd int, path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unmount(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func write(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
-	r0, _, e1 := Syscall6(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos))
-	ret = uintptr(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func munmap(addr uintptr, length uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
-	_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstat(fd int, stat *Stat_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTAT64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatfs(fd int, stat *Statfs_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(buf), uintptr(size), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lstat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Stat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Statfs(path string, stat *Statfs_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
diff --git a/unix/zsyscall_darwin_arm.1_11.go b/unix/zsyscall_darwin_arm.1_11.go
deleted file mode 100644
index d34e6df2..00000000
--- a/unix/zsyscall_darwin_arm.1_11.go
+++ /dev/null
@@ -1,1782 +0,0 @@
-// go run mksyscall.go -l32 -tags darwin,arm,!go1.12 syscall_bsd.go syscall_darwin.go syscall_darwin_arm.1_11.go syscall_darwin_arm.go
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build darwin,arm,!go1.12
-
-package unix
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var _ syscall.Errno
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getgroups(ngid int, gid *_Gid_t) (n int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setgroups(ngid int, gid *_Gid_t) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) {
-	r0, _, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0)
-	wpid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_BIND, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socket(domain int, typ int, proto int) (fd int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
-	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {
-	_, _, e1 := Syscall6(SYS_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Shutdown(s int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(s), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) {
-	_, _, e1 := RawSyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_KEVENT, uintptr(kq), uintptr(change), uintptr(nchange), uintptr(event), uintptr(nevent), uintptr(unsafe.Pointer(timeout)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func utimes(path string, timeval *[2]Timeval) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func futimes(fd int, timeval *[2]Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_FUTIMES, uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Madvise(b []byte, behav int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MADVISE, uintptr(_p0), uintptr(len(b)), uintptr(behav))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlockall(flags int) (err error) {
-	_, _, e1 := Syscall(SYS_MLOCKALL, uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mprotect(b []byte, prot int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Msync(b []byte, flags int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MUNLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlockall() (err error) {
-	_, _, e1 := Syscall(SYS_MUNLOCKALL, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_GETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func pipe() (r int, w int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	r = int(r0)
-	w = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_FGETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func removexattr(path string, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fremovexattr(fd int, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_FREMOVEXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func listxattr(path string, dest *byte, size int, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) {
-	r0, _, e1 := Syscall6(SYS_FLISTXATTR, uintptr(fd), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_SETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fcntl(fd int, cmd int, arg int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kill(pid int, signum int, posix int) (err error) {
-	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func ioctl(fd int, req uint, arg uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
-	var _p0 unsafe.Pointer
-	if len(mib) > 0 {
-		_p0 = unsafe.Pointer(&mib[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) {
-	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(offset), uintptr(offset>>32), uintptr(unsafe.Pointer(len)), uintptr(hdtr), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Access(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Adjtime(delta *Timeval, olddelta *Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_ADJTIME, uintptr(unsafe.Pointer(delta)), uintptr(unsafe.Pointer(olddelta)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chflags(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chmod(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chroot(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Close(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup(fd int) (nfd int, err error) {
-	r0, _, e1 := Syscall(SYS_DUP, uintptr(fd), 0, 0)
-	nfd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup2(from int, to int) (err error) {
-	_, _, e1 := Syscall(SYS_DUP2, uintptr(from), uintptr(to), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exchangedata(path1 string, path2 string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path1)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(path2)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_EXCHANGEDATA, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exit(code int) {
-	Syscall(SYS_EXIT, uintptr(code), 0, 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchdir(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchflags(fd int, flags int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHFLAGS, uintptr(fd), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmod(fd int, mode uint32) (err error) {
-	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchown(fd int, uid int, gid int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Flock(fd int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fpathconf(fd int, name int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FPATHCONF, uintptr(fd), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fsync(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Ftruncate(fd int, length int64) (err error) {
-	_, _, e1 := Syscall(SYS_FTRUNCATE, uintptr(fd), uintptr(length), uintptr(length>>32))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getdtablesize() (size int) {
-	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
-	size = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
-	egid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Geteuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
-	gid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgid(pid int) (pgid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETPGID, uintptr(pid), 0, 0)
-	pgid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgrp() (pgrp int) {
-	r0, _, _ := RawSyscall(SYS_GETPGRP, 0, 0, 0)
-	pgrp = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
-	pid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
-	ppid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpriority(which int, who int) (prio int, err error) {
-	r0, _, e1 := Syscall(SYS_GETPRIORITY, uintptr(which), uintptr(who), 0)
-	prio = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrusage(who int, rusage *Rusage) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getsid(pid int) (sid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
-	sid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Gettimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Issetugid() (tainted bool) {
-	r0, _, _ := RawSyscall(SYS_ISSETUGID, 0, 0, 0)
-	tainted = bool(r0 != 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Kqueue() (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_KQUEUE, 0, 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lchown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Link(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_LINKAT, uintptr(pathfd), uintptr(unsafe.Pointer(_p0)), uintptr(linkfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Listen(s int, backlog int) (err error) {
-	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdir(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdirat(dirfd int, path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkfifo(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mknod(path string, mode uint32, dev int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Open(path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pathconf(path string, name int) (val int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func read(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlink(path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_READLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rename(from string, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Renameat(fromfd int, from string, tofd int, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Revoke(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rmdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
-	r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0)
-	newoffset = int64(int64(r1)<<32 | int64(r0))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_SELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setegid(egid int) (err error) {
-	_, _, e1 := Syscall(SYS_SETEGID, uintptr(egid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seteuid(euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETEUID, uintptr(euid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setgid(gid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGID, uintptr(gid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setlogin(name string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(name)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpgid(pid int, pgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpriority(which int, who int, prio int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIORITY, uintptr(which), uintptr(who), uintptr(prio))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setprivexec(flag int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIVEXEC, uintptr(flag), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setsid() (pid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SETSID, 0, 0, 0)
-	pid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Settimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setuid(uid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETUID, uintptr(uid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlink(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINKAT, uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Sync() (err error) {
-	_, _, e1 := Syscall(SYS_SYNC, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Truncate(path string, length int64) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), uintptr(length>>32))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Umask(newmask int) (oldmask int) {
-	r0, _, _ := Syscall(SYS_UMASK, uintptr(newmask), 0, 0)
-	oldmask = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Undelete(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlink(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlinkat(dirfd int, path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unmount(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func write(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
-	r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos), uintptr(pos>>32), 0, 0)
-	ret = uintptr(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func munmap(addr uintptr, length uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstat(fd int, stat *Stat_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatfs(fd int, stat *Statfs_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(buf), uintptr(size), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lstat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Stat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Statfs(path string, stat *Statfs_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
diff --git a/unix/zsyscall_darwin_arm64.1_11.go b/unix/zsyscall_darwin_arm64.1_11.go
deleted file mode 100644
index 8d39a09f..00000000
--- a/unix/zsyscall_darwin_arm64.1_11.go
+++ /dev/null
@@ -1,1782 +0,0 @@
-// go run mksyscall.go -tags darwin,arm64,!go1.12 syscall_bsd.go syscall_darwin.go syscall_darwin_arm64.1_11.go syscall_darwin_arm64.go
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build darwin,arm64,!go1.12
-
-package unix
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var _ syscall.Errno
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getgroups(ngid int, gid *_Gid_t) (n int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setgroups(ngid int, gid *_Gid_t) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) {
-	r0, _, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0)
-	wpid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_BIND, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
-	_, _, e1 := Syscall(SYS_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socket(domain int, typ int, proto int) (fd int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
-	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {
-	_, _, e1 := Syscall6(SYS_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Shutdown(s int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(s), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) {
-	_, _, e1 := RawSyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_KEVENT, uintptr(kq), uintptr(change), uintptr(nchange), uintptr(event), uintptr(nevent), uintptr(unsafe.Pointer(timeout)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func utimes(path string, timeval *[2]Timeval) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func futimes(fd int, timeval *[2]Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_FUTIMES, uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Madvise(b []byte, behav int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MADVISE, uintptr(_p0), uintptr(len(b)), uintptr(behav))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mlockall(flags int) (err error) {
-	_, _, e1 := Syscall(SYS_MLOCKALL, uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mprotect(b []byte, prot int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Msync(b []byte, flags int) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlock(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall(SYS_MUNLOCK, uintptr(_p0), uintptr(len(b)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Munlockall() (err error) {
-	_, _, e1 := Syscall(SYS_MUNLOCKALL, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_GETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func pipe() (r int, w int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	r = int(r0)
-	w = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_FGETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSETXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(data)), uintptr(size), uintptr(position), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func removexattr(path string, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fremovexattr(fd int, attr string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(attr)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_FREMOVEXATTR, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func listxattr(path string, dest *byte, size int, options int) (sz int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) {
-	r0, _, e1 := Syscall6(SYS_FLISTXATTR, uintptr(fd), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(options), 0, 0)
-	sz = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := Syscall6(SYS_SETATTRLIST, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fcntl(fd int, cmd int, arg int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func kill(pid int, signum int, posix int) (err error) {
-	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), uintptr(posix))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func ioctl(fd int, req uint, arg uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
-	var _p0 unsafe.Pointer
-	if len(mib) > 0 {
-		_p0 = unsafe.Pointer(&mib[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	_, _, e1 := Syscall6(SYS_SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) {
-	_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(offset), uintptr(unsafe.Pointer(len)), uintptr(hdtr), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Access(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Adjtime(delta *Timeval, olddelta *Timeval) (err error) {
-	_, _, e1 := Syscall(SYS_ADJTIME, uintptr(unsafe.Pointer(delta)), uintptr(unsafe.Pointer(olddelta)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chflags(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chmod(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Chroot(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Close(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup(fd int) (nfd int, err error) {
-	r0, _, e1 := Syscall(SYS_DUP, uintptr(fd), 0, 0)
-	nfd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup2(from int, to int) (err error) {
-	_, _, e1 := Syscall(SYS_DUP2, uintptr(from), uintptr(to), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exchangedata(path1 string, path2 string, options int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path1)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(path2)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_EXCHANGEDATA, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Exit(code int) {
-	Syscall(SYS_EXIT, uintptr(code), 0, 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchdir(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchflags(fd int, flags int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHFLAGS, uintptr(fd), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmod(fd int, mode uint32) (err error) {
-	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchown(fd int, uid int, gid int) (err error) {
-	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Flock(fd int, how int) (err error) {
-	_, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fpathconf(fd int, name int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FPATHCONF, uintptr(fd), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fsync(fd int) (err error) {
-	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Ftruncate(fd int, length int64) (err error) {
-	_, _, e1 := Syscall(SYS_FTRUNCATE, uintptr(fd), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getdtablesize() (size int) {
-	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
-	size = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
-	egid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Geteuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
-	gid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgid(pid int) (pgid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETPGID, uintptr(pid), 0, 0)
-	pgid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpgrp() (pgrp int) {
-	r0, _, _ := RawSyscall(SYS_GETPGRP, 0, 0, 0)
-	pgrp = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
-	pid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
-	ppid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getpriority(which int, who int) (prio int, err error) {
-	r0, _, e1 := Syscall(SYS_GETPRIORITY, uintptr(which), uintptr(who), 0)
-	prio = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getrusage(who int, rusage *Rusage) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getsid(pid int) (sid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
-	sid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Gettimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
-	uid = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Issetugid() (tainted bool) {
-	r0, _, _ := RawSyscall(SYS_ISSETUGID, 0, 0, 0)
-	tainted = bool(r0 != 0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Kqueue() (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_KQUEUE, 0, 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lchown(path string, uid int, gid int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Link(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_LINKAT, uintptr(pathfd), uintptr(unsafe.Pointer(_p0)), uintptr(linkfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Listen(s int, backlog int) (err error) {
-	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdir(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkdirat(dirfd int, path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mkfifo(path string, mode uint32) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Mknod(path string, mode uint32, dev int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Open(path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pathconf(path string, name int) (val int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func read(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlink(path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(buf) > 0 {
-		_p1 = unsafe.Pointer(&buf[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_READLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rename(from string, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Renameat(fromfd int, from string, tofd int, to string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(from)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(to)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Revoke(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Rmdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
-	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
-	newoffset = int64(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
-	r0, _, e1 := Syscall6(SYS_SELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setegid(egid int) (err error) {
-	_, _, e1 := Syscall(SYS_SETEGID, uintptr(egid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Seteuid(euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETEUID, uintptr(euid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setgid(gid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETGID, uintptr(gid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setlogin(name string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(name)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpgid(pid int, pgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setpriority(which int, who int, prio int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIORITY, uintptr(which), uintptr(who), uintptr(prio))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setprivexec(flag int) (err error) {
-	_, _, e1 := Syscall(SYS_SETPRIVEXEC, uintptr(flag), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setrlimit(which int, lim *Rlimit) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setsid() (pid int, err error) {
-	r0, _, e1 := RawSyscall(SYS_SETSID, 0, 0, 0)
-	pid = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Settimeofday(tp *Timeval) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setuid(uid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETUID, uintptr(uid), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlink(path string, link string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(link)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_SYMLINKAT, uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Sync() (err error) {
-	_, _, e1 := Syscall(SYS_SYNC, 0, 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Truncate(path string, length int64) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Umask(newmask int) (oldmask int) {
-	r0, _, _ := Syscall(SYS_UMASK, uintptr(newmask), 0, 0)
-	oldmask = int(r0)
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Undelete(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlink(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unlinkat(dirfd int, path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Unmount(path string, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func write(fd int, p []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
-	r0, _, e1 := Syscall6(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos))
-	ret = uintptr(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func munmap(addr uintptr, length uintptr) (err error) {
-	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstat(fd int, stat *Stat_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstatfs(fd int, stat *Statfs_t) (err error) {
-	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(buf), uintptr(size), uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Lstat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Stat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Statfs(path string, stat *Statfs_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
diff --git a/unix/zsysnum_darwin_386.go b/unix/zsysnum_darwin_386.go
deleted file mode 100644
index f3361453..00000000
--- a/unix/zsysnum_darwin_386.go
+++ /dev/null
@@ -1,436 +0,0 @@
-// go run mksysnum.go /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/usr/include/sys/syscall.h
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build 386,darwin
-
-package unix
-
-const (
-	SYS_SYSCALL                        = 0
-	SYS_EXIT                           = 1
-	SYS_FORK                           = 2
-	SYS_READ                           = 3
-	SYS_WRITE                          = 4
-	SYS_OPEN                           = 5
-	SYS_CLOSE                          = 6
-	SYS_WAIT4                          = 7
-	SYS_LINK                           = 9
-	SYS_UNLINK                         = 10
-	SYS_CHDIR                          = 12
-	SYS_FCHDIR                         = 13
-	SYS_MKNOD                          = 14
-	SYS_CHMOD                          = 15
-	SYS_CHOWN                          = 16
-	SYS_GETFSSTAT                      = 18
-	SYS_GETPID                         = 20
-	SYS_SETUID                         = 23
-	SYS_GETUID                         = 24
-	SYS_GETEUID                        = 25
-	SYS_PTRACE                         = 26
-	SYS_RECVMSG                        = 27
-	SYS_SENDMSG                        = 28
-	SYS_RECVFROM                       = 29
-	SYS_ACCEPT                         = 30
-	SYS_GETPEERNAME                    = 31
-	SYS_GETSOCKNAME                    = 32
-	SYS_ACCESS                         = 33
-	SYS_CHFLAGS                        = 34
-	SYS_FCHFLAGS                       = 35
-	SYS_SYNC                           = 36
-	SYS_KILL                           = 37
-	SYS_GETPPID                        = 39
-	SYS_DUP                            = 41
-	SYS_PIPE                           = 42
-	SYS_GETEGID                        = 43
-	SYS_SIGACTION                      = 46
-	SYS_GETGID                         = 47
-	SYS_SIGPROCMASK                    = 48
-	SYS_GETLOGIN                       = 49
-	SYS_SETLOGIN                       = 50
-	SYS_ACCT                           = 51
-	SYS_SIGPENDING                     = 52
-	SYS_SIGALTSTACK                    = 53
-	SYS_IOCTL                          = 54
-	SYS_REBOOT                         = 55
-	SYS_REVOKE                         = 56
-	SYS_SYMLINK                        = 57
-	SYS_READLINK                       = 58
-	SYS_EXECVE                         = 59
-	SYS_UMASK                          = 60
-	SYS_CHROOT                         = 61
-	SYS_MSYNC                          = 65
-	SYS_VFORK                          = 66
-	SYS_MUNMAP                         = 73
-	SYS_MPROTECT                       = 74
-	SYS_MADVISE                        = 75
-	SYS_MINCORE                        = 78
-	SYS_GETGROUPS                      = 79
-	SYS_SETGROUPS                      = 80
-	SYS_GETPGRP                        = 81
-	SYS_SETPGID                        = 82
-	SYS_SETITIMER                      = 83
-	SYS_SWAPON                         = 85
-	SYS_GETITIMER                      = 86
-	SYS_GETDTABLESIZE                  = 89
-	SYS_DUP2                           = 90
-	SYS_FCNTL                          = 92
-	SYS_SELECT                         = 93
-	SYS_FSYNC                          = 95
-	SYS_SETPRIORITY                    = 96
-	SYS_SOCKET                         = 97
-	SYS_CONNECT                        = 98
-	SYS_GETPRIORITY                    = 100
-	SYS_BIND                           = 104
-	SYS_SETSOCKOPT                     = 105
-	SYS_LISTEN                         = 106
-	SYS_SIGSUSPEND                     = 111
-	SYS_GETTIMEOFDAY                   = 116
-	SYS_GETRUSAGE                      = 117
-	SYS_GETSOCKOPT                     = 118
-	SYS_READV                          = 120
-	SYS_WRITEV                         = 121
-	SYS_SETTIMEOFDAY                   = 122
-	SYS_FCHOWN                         = 123
-	SYS_FCHMOD                         = 124
-	SYS_SETREUID                       = 126
-	SYS_SETREGID                       = 127
-	SYS_RENAME                         = 128
-	SYS_FLOCK                          = 131
-	SYS_MKFIFO                         = 132
-	SYS_SENDTO                         = 133
-	SYS_SHUTDOWN                       = 134
-	SYS_SOCKETPAIR                     = 135
-	SYS_MKDIR                          = 136
-	SYS_RMDIR                          = 137
-	SYS_UTIMES                         = 138
-	SYS_FUTIMES                        = 139
-	SYS_ADJTIME                        = 140
-	SYS_GETHOSTUUID                    = 142
-	SYS_SETSID                         = 147
-	SYS_GETPGID                        = 151
-	SYS_SETPRIVEXEC                    = 152
-	SYS_PREAD                          = 153
-	SYS_PWRITE                         = 154
-	SYS_NFSSVC                         = 155
-	SYS_STATFS                         = 157
-	SYS_FSTATFS                        = 158
-	SYS_UNMOUNT                        = 159
-	SYS_GETFH                          = 161
-	SYS_QUOTACTL                       = 165
-	SYS_MOUNT                          = 167
-	SYS_CSOPS                          = 169
-	SYS_CSOPS_AUDITTOKEN               = 170
-	SYS_WAITID                         = 173
-	SYS_KDEBUG_TYPEFILTER              = 177
-	SYS_KDEBUG_TRACE_STRING            = 178
-	SYS_KDEBUG_TRACE64                 = 179
-	SYS_KDEBUG_TRACE                   = 180
-	SYS_SETGID                         = 181
-	SYS_SETEGID                        = 182
-	SYS_SETEUID                        = 183
-	SYS_SIGRETURN                      = 184
-	SYS_THREAD_SELFCOUNTS              = 186
-	SYS_FDATASYNC                      = 187
-	SYS_STAT                           = 188
-	SYS_FSTAT                          = 189
-	SYS_LSTAT                          = 190
-	SYS_PATHCONF                       = 191
-	SYS_FPATHCONF                      = 192
-	SYS_GETRLIMIT                      = 194
-	SYS_SETRLIMIT                      = 195
-	SYS_GETDIRENTRIES                  = 196
-	SYS_MMAP                           = 197
-	SYS_LSEEK                          = 199
-	SYS_TRUNCATE                       = 200
-	SYS_FTRUNCATE                      = 201
-	SYS_SYSCTL                         = 202
-	SYS_MLOCK                          = 203
-	SYS_MUNLOCK                        = 204
-	SYS_UNDELETE                       = 205
-	SYS_OPEN_DPROTECTED_NP             = 216
-	SYS_GETATTRLIST                    = 220
-	SYS_SETATTRLIST                    = 221
-	SYS_GETDIRENTRIESATTR              = 222
-	SYS_EXCHANGEDATA                   = 223
-	SYS_SEARCHFS                       = 225
-	SYS_DELETE                         = 226
-	SYS_COPYFILE                       = 227
-	SYS_FGETATTRLIST                   = 228
-	SYS_FSETATTRLIST                   = 229
-	SYS_POLL                           = 230
-	SYS_WATCHEVENT                     = 231
-	SYS_WAITEVENT                      = 232
-	SYS_MODWATCH                       = 233
-	SYS_GETXATTR                       = 234
-	SYS_FGETXATTR                      = 235
-	SYS_SETXATTR                       = 236
-	SYS_FSETXATTR                      = 237
-	SYS_REMOVEXATTR                    = 238
-	SYS_FREMOVEXATTR                   = 239
-	SYS_LISTXATTR                      = 240
-	SYS_FLISTXATTR                     = 241
-	SYS_FSCTL                          = 242
-	SYS_INITGROUPS                     = 243
-	SYS_POSIX_SPAWN                    = 244
-	SYS_FFSCTL                         = 245
-	SYS_NFSCLNT                        = 247
-	SYS_FHOPEN                         = 248
-	SYS_MINHERIT                       = 250
-	SYS_SEMSYS                         = 251
-	SYS_MSGSYS                         = 252
-	SYS_SHMSYS                         = 253
-	SYS_SEMCTL                         = 254
-	SYS_SEMGET                         = 255
-	SYS_SEMOP                          = 256
-	SYS_MSGCTL                         = 258
-	SYS_MSGGET                         = 259
-	SYS_MSGSND                         = 260
-	SYS_MSGRCV                         = 261
-	SYS_SHMAT                          = 262
-	SYS_SHMCTL                         = 263
-	SYS_SHMDT                          = 264
-	SYS_SHMGET                         = 265
-	SYS_SHM_OPEN                       = 266
-	SYS_SHM_UNLINK                     = 267
-	SYS_SEM_OPEN                       = 268
-	SYS_SEM_CLOSE                      = 269
-	SYS_SEM_UNLINK                     = 270
-	SYS_SEM_WAIT                       = 271
-	SYS_SEM_TRYWAIT                    = 272
-	SYS_SEM_POST                       = 273
-	SYS_SYSCTLBYNAME                   = 274
-	SYS_OPEN_EXTENDED                  = 277
-	SYS_UMASK_EXTENDED                 = 278
-	SYS_STAT_EXTENDED                  = 279
-	SYS_LSTAT_EXTENDED                 = 280
-	SYS_FSTAT_EXTENDED                 = 281
-	SYS_CHMOD_EXTENDED                 = 282
-	SYS_FCHMOD_EXTENDED                = 283
-	SYS_ACCESS_EXTENDED                = 284
-	SYS_SETTID                         = 285
-	SYS_GETTID                         = 286
-	SYS_SETSGROUPS                     = 287
-	SYS_GETSGROUPS                     = 288
-	SYS_SETWGROUPS                     = 289
-	SYS_GETWGROUPS                     = 290
-	SYS_MKFIFO_EXTENDED                = 291
-	SYS_MKDIR_EXTENDED                 = 292
-	SYS_IDENTITYSVC                    = 293
-	SYS_SHARED_REGION_CHECK_NP         = 294
-	SYS_VM_PRESSURE_MONITOR            = 296
-	SYS_PSYNCH_RW_LONGRDLOCK           = 297
-	SYS_PSYNCH_RW_YIELDWRLOCK          = 298
-	SYS_PSYNCH_RW_DOWNGRADE            = 299
-	SYS_PSYNCH_RW_UPGRADE              = 300
-	SYS_PSYNCH_MUTEXWAIT               = 301
-	SYS_PSYNCH_MUTEXDROP               = 302
-	SYS_PSYNCH_CVBROAD                 = 303
-	SYS_PSYNCH_CVSIGNAL                = 304
-	SYS_PSYNCH_CVWAIT                  = 305
-	SYS_PSYNCH_RW_RDLOCK               = 306
-	SYS_PSYNCH_RW_WRLOCK               = 307
-	SYS_PSYNCH_RW_UNLOCK               = 308
-	SYS_PSYNCH_RW_UNLOCK2              = 309
-	SYS_GETSID                         = 310
-	SYS_SETTID_WITH_PID                = 311
-	SYS_PSYNCH_CVCLRPREPOST            = 312
-	SYS_AIO_FSYNC                      = 313
-	SYS_AIO_RETURN                     = 314
-	SYS_AIO_SUSPEND                    = 315
-	SYS_AIO_CANCEL                     = 316
-	SYS_AIO_ERROR                      = 317
-	SYS_AIO_READ                       = 318
-	SYS_AIO_WRITE                      = 319
-	SYS_LIO_LISTIO                     = 320
-	SYS_IOPOLICYSYS                    = 322
-	SYS_PROCESS_POLICY                 = 323
-	SYS_MLOCKALL                       = 324
-	SYS_MUNLOCKALL                     = 325
-	SYS_ISSETUGID                      = 327
-	SYS___PTHREAD_KILL                 = 328
-	SYS___PTHREAD_SIGMASK              = 329
-	SYS___SIGWAIT                      = 330
-	SYS___DISABLE_THREADSIGNAL         = 331
-	SYS___PTHREAD_MARKCANCEL           = 332
-	SYS___PTHREAD_CANCELED             = 333
-	SYS___SEMWAIT_SIGNAL               = 334
-	SYS_PROC_INFO                      = 336
-	SYS_SENDFILE                       = 337
-	SYS_STAT64                         = 338
-	SYS_FSTAT64                        = 339
-	SYS_LSTAT64                        = 340
-	SYS_STAT64_EXTENDED                = 341
-	SYS_LSTAT64_EXTENDED               = 342
-	SYS_FSTAT64_EXTENDED               = 343
-	SYS_GETDIRENTRIES64                = 344
-	SYS_STATFS64                       = 345
-	SYS_FSTATFS64                      = 346
-	SYS_GETFSSTAT64                    = 347
-	SYS___PTHREAD_CHDIR                = 348
-	SYS___PTHREAD_FCHDIR               = 349
-	SYS_AUDIT                          = 350
-	SYS_AUDITON                        = 351
-	SYS_GETAUID                        = 353
-	SYS_SETAUID                        = 354
-	SYS_GETAUDIT_ADDR                  = 357
-	SYS_SETAUDIT_ADDR                  = 358
-	SYS_AUDITCTL                       = 359
-	SYS_BSDTHREAD_CREATE               = 360
-	SYS_BSDTHREAD_TERMINATE            = 361
-	SYS_KQUEUE                         = 362
-	SYS_KEVENT                         = 363
-	SYS_LCHOWN                         = 364
-	SYS_BSDTHREAD_REGISTER             = 366
-	SYS_WORKQ_OPEN                     = 367
-	SYS_WORKQ_KERNRETURN               = 368
-	SYS_KEVENT64                       = 369
-	SYS___OLD_SEMWAIT_SIGNAL           = 370
-	SYS___OLD_SEMWAIT_SIGNAL_NOCANCEL  = 371
-	SYS_THREAD_SELFID                  = 372
-	SYS_LEDGER                         = 373
-	SYS_KEVENT_QOS                     = 374
-	SYS_KEVENT_ID                      = 375
-	SYS___MAC_EXECVE                   = 380
-	SYS___MAC_SYSCALL                  = 381
-	SYS___MAC_GET_FILE                 = 382
-	SYS___MAC_SET_FILE                 = 383
-	SYS___MAC_GET_LINK                 = 384
-	SYS___MAC_SET_LINK                 = 385
-	SYS___MAC_GET_PROC                 = 386
-	SYS___MAC_SET_PROC                 = 387
-	SYS___MAC_GET_FD                   = 388
-	SYS___MAC_SET_FD                   = 389
-	SYS___MAC_GET_PID                  = 390
-	SYS_PSELECT                        = 394
-	SYS_PSELECT_NOCANCEL               = 395
-	SYS_READ_NOCANCEL                  = 396
-	SYS_WRITE_NOCANCEL                 = 397
-	SYS_OPEN_NOCANCEL                  = 398
-	SYS_CLOSE_NOCANCEL                 = 399
-	SYS_WAIT4_NOCANCEL                 = 400
-	SYS_RECVMSG_NOCANCEL               = 401
-	SYS_SENDMSG_NOCANCEL               = 402
-	SYS_RECVFROM_NOCANCEL              = 403
-	SYS_ACCEPT_NOCANCEL                = 404
-	SYS_MSYNC_NOCANCEL                 = 405
-	SYS_FCNTL_NOCANCEL                 = 406
-	SYS_SELECT_NOCANCEL                = 407
-	SYS_FSYNC_NOCANCEL                 = 408
-	SYS_CONNECT_NOCANCEL               = 409
-	SYS_SIGSUSPEND_NOCANCEL            = 410
-	SYS_READV_NOCANCEL                 = 411
-	SYS_WRITEV_NOCANCEL                = 412
-	SYS_SENDTO_NOCANCEL                = 413
-	SYS_PREAD_NOCANCEL                 = 414
-	SYS_PWRITE_NOCANCEL                = 415
-	SYS_WAITID_NOCANCEL                = 416
-	SYS_POLL_NOCANCEL                  = 417
-	SYS_MSGSND_NOCANCEL                = 418
-	SYS_MSGRCV_NOCANCEL                = 419
-	SYS_SEM_WAIT_NOCANCEL              = 420
-	SYS_AIO_SUSPEND_NOCANCEL           = 421
-	SYS___SIGWAIT_NOCANCEL             = 422
-	SYS___SEMWAIT_SIGNAL_NOCANCEL      = 423
-	SYS___MAC_MOUNT                    = 424
-	SYS___MAC_GET_MOUNT                = 425
-	SYS___MAC_GETFSSTAT                = 426
-	SYS_FSGETPATH                      = 427
-	SYS_AUDIT_SESSION_SELF             = 428
-	SYS_AUDIT_SESSION_JOIN             = 429
-	SYS_FILEPORT_MAKEPORT              = 430
-	SYS_FILEPORT_MAKEFD                = 431
-	SYS_AUDIT_SESSION_PORT             = 432
-	SYS_PID_SUSPEND                    = 433
-	SYS_PID_RESUME                     = 434
-	SYS_PID_HIBERNATE                  = 435
-	SYS_PID_SHUTDOWN_SOCKETS           = 436
-	SYS_SHARED_REGION_MAP_AND_SLIDE_NP = 438
-	SYS_KAS_INFO                       = 439
-	SYS_MEMORYSTATUS_CONTROL           = 440
-	SYS_GUARDED_OPEN_NP                = 441
-	SYS_GUARDED_CLOSE_NP               = 442
-	SYS_GUARDED_KQUEUE_NP              = 443
-	SYS_CHANGE_FDGUARD_NP              = 444
-	SYS_USRCTL                         = 445
-	SYS_PROC_RLIMIT_CONTROL            = 446
-	SYS_CONNECTX                       = 447
-	SYS_DISCONNECTX                    = 448
-	SYS_PEELOFF                        = 449
-	SYS_SOCKET_DELEGATE                = 450
-	SYS_TELEMETRY                      = 451
-	SYS_PROC_UUID_POLICY               = 452
-	SYS_MEMORYSTATUS_GET_LEVEL         = 453
-	SYS_SYSTEM_OVERRIDE                = 454
-	SYS_VFS_PURGE                      = 455
-	SYS_SFI_CTL                        = 456
-	SYS_SFI_PIDCTL                     = 457
-	SYS_COALITION                      = 458
-	SYS_COALITION_INFO                 = 459
-	SYS_NECP_MATCH_POLICY              = 460
-	SYS_GETATTRLISTBULK                = 461
-	SYS_CLONEFILEAT                    = 462
-	SYS_OPENAT                         = 463
-	SYS_OPENAT_NOCANCEL                = 464
-	SYS_RENAMEAT                       = 465
-	SYS_FACCESSAT                      = 466
-	SYS_FCHMODAT                       = 467
-	SYS_FCHOWNAT                       = 468
-	SYS_FSTATAT                        = 469
-	SYS_FSTATAT64                      = 470
-	SYS_LINKAT                         = 471
-	SYS_UNLINKAT                       = 472
-	SYS_READLINKAT                     = 473
-	SYS_SYMLINKAT                      = 474
-	SYS_MKDIRAT                        = 475
-	SYS_GETATTRLISTAT                  = 476
-	SYS_PROC_TRACE_LOG                 = 477
-	SYS_BSDTHREAD_CTL                  = 478
-	SYS_OPENBYID_NP                    = 479
-	SYS_RECVMSG_X                      = 480
-	SYS_SENDMSG_X                      = 481
-	SYS_THREAD_SELFUSAGE               = 482
-	SYS_CSRCTL                         = 483
-	SYS_GUARDED_OPEN_DPROTECTED_NP     = 484
-	SYS_GUARDED_WRITE_NP               = 485
-	SYS_GUARDED_PWRITE_NP              = 486
-	SYS_GUARDED_WRITEV_NP              = 487
-	SYS_RENAMEATX_NP                   = 488
-	SYS_MREMAP_ENCRYPTED               = 489
-	SYS_NETAGENT_TRIGGER               = 490
-	SYS_STACK_SNAPSHOT_WITH_CONFIG     = 491
-	SYS_MICROSTACKSHOT                 = 492
-	SYS_GRAB_PGO_DATA                  = 493
-	SYS_PERSONA                        = 494
-	SYS_WORK_INTERVAL_CTL              = 499
-	SYS_GETENTROPY                     = 500
-	SYS_NECP_OPEN                      = 501
-	SYS_NECP_CLIENT_ACTION             = 502
-	SYS___NEXUS_OPEN                   = 503
-	SYS___NEXUS_REGISTER               = 504
-	SYS___NEXUS_DEREGISTER             = 505
-	SYS___NEXUS_CREATE                 = 506
-	SYS___NEXUS_DESTROY                = 507
-	SYS___NEXUS_GET_OPT                = 508
-	SYS___NEXUS_SET_OPT                = 509
-	SYS___CHANNEL_OPEN                 = 510
-	SYS___CHANNEL_GET_INFO             = 511
-	SYS___CHANNEL_SYNC                 = 512
-	SYS___CHANNEL_GET_OPT              = 513
-	SYS___CHANNEL_SET_OPT              = 514
-	SYS_ULOCK_WAIT                     = 515
-	SYS_ULOCK_WAKE                     = 516
-	SYS_FCLONEFILEAT                   = 517
-	SYS_FS_SNAPSHOT                    = 518
-	SYS_TERMINATE_WITH_PAYLOAD         = 520
-	SYS_ABORT_WITH_PAYLOAD             = 521
-	SYS_NECP_SESSION_OPEN              = 522
-	SYS_NECP_SESSION_ACTION            = 523
-	SYS_SETATTRLISTAT                  = 524
-	SYS_NET_QOS_GUIDELINE              = 525
-	SYS_FMOUNT                         = 526
-	SYS_NTP_ADJTIME                    = 527
-	SYS_NTP_GETTIME                    = 528
-	SYS_OS_FAULT_WITH_PAYLOAD          = 529
-	SYS_MAXSYSCALL                     = 530
-	SYS_INVALID                        = 63
-)
diff --git a/unix/zsysnum_darwin_amd64.go b/unix/zsysnum_darwin_amd64.go
deleted file mode 100644
index 654dd3da..00000000
--- a/unix/zsysnum_darwin_amd64.go
+++ /dev/null
@@ -1,438 +0,0 @@
-// go run mksysnum.go /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/syscall.h
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build amd64,darwin
-
-package unix
-
-const (
-	SYS_SYSCALL                        = 0
-	SYS_EXIT                           = 1
-	SYS_FORK                           = 2
-	SYS_READ                           = 3
-	SYS_WRITE                          = 4
-	SYS_OPEN                           = 5
-	SYS_CLOSE                          = 6
-	SYS_WAIT4                          = 7
-	SYS_LINK                           = 9
-	SYS_UNLINK                         = 10
-	SYS_CHDIR                          = 12
-	SYS_FCHDIR                         = 13
-	SYS_MKNOD                          = 14
-	SYS_CHMOD                          = 15
-	SYS_CHOWN                          = 16
-	SYS_GETFSSTAT                      = 18
-	SYS_GETPID                         = 20
-	SYS_SETUID                         = 23
-	SYS_GETUID                         = 24
-	SYS_GETEUID                        = 25
-	SYS_PTRACE                         = 26
-	SYS_RECVMSG                        = 27
-	SYS_SENDMSG                        = 28
-	SYS_RECVFROM                       = 29
-	SYS_ACCEPT                         = 30
-	SYS_GETPEERNAME                    = 31
-	SYS_GETSOCKNAME                    = 32
-	SYS_ACCESS                         = 33
-	SYS_CHFLAGS                        = 34
-	SYS_FCHFLAGS                       = 35
-	SYS_SYNC                           = 36
-	SYS_KILL                           = 37
-	SYS_GETPPID                        = 39
-	SYS_DUP                            = 41
-	SYS_PIPE                           = 42
-	SYS_GETEGID                        = 43
-	SYS_SIGACTION                      = 46
-	SYS_GETGID                         = 47
-	SYS_SIGPROCMASK                    = 48
-	SYS_GETLOGIN                       = 49
-	SYS_SETLOGIN                       = 50
-	SYS_ACCT                           = 51
-	SYS_SIGPENDING                     = 52
-	SYS_SIGALTSTACK                    = 53
-	SYS_IOCTL                          = 54
-	SYS_REBOOT                         = 55
-	SYS_REVOKE                         = 56
-	SYS_SYMLINK                        = 57
-	SYS_READLINK                       = 58
-	SYS_EXECVE                         = 59
-	SYS_UMASK                          = 60
-	SYS_CHROOT                         = 61
-	SYS_MSYNC                          = 65
-	SYS_VFORK                          = 66
-	SYS_MUNMAP                         = 73
-	SYS_MPROTECT                       = 74
-	SYS_MADVISE                        = 75
-	SYS_MINCORE                        = 78
-	SYS_GETGROUPS                      = 79
-	SYS_SETGROUPS                      = 80
-	SYS_GETPGRP                        = 81
-	SYS_SETPGID                        = 82
-	SYS_SETITIMER                      = 83
-	SYS_SWAPON                         = 85
-	SYS_GETITIMER                      = 86
-	SYS_GETDTABLESIZE                  = 89
-	SYS_DUP2                           = 90
-	SYS_FCNTL                          = 92
-	SYS_SELECT                         = 93
-	SYS_FSYNC                          = 95
-	SYS_SETPRIORITY                    = 96
-	SYS_SOCKET                         = 97
-	SYS_CONNECT                        = 98
-	SYS_GETPRIORITY                    = 100
-	SYS_BIND                           = 104
-	SYS_SETSOCKOPT                     = 105
-	SYS_LISTEN                         = 106
-	SYS_SIGSUSPEND                     = 111
-	SYS_GETTIMEOFDAY                   = 116
-	SYS_GETRUSAGE                      = 117
-	SYS_GETSOCKOPT                     = 118
-	SYS_READV                          = 120
-	SYS_WRITEV                         = 121
-	SYS_SETTIMEOFDAY                   = 122
-	SYS_FCHOWN                         = 123
-	SYS_FCHMOD                         = 124
-	SYS_SETREUID                       = 126
-	SYS_SETREGID                       = 127
-	SYS_RENAME                         = 128
-	SYS_FLOCK                          = 131
-	SYS_MKFIFO                         = 132
-	SYS_SENDTO                         = 133
-	SYS_SHUTDOWN                       = 134
-	SYS_SOCKETPAIR                     = 135
-	SYS_MKDIR                          = 136
-	SYS_RMDIR                          = 137
-	SYS_UTIMES                         = 138
-	SYS_FUTIMES                        = 139
-	SYS_ADJTIME                        = 140
-	SYS_GETHOSTUUID                    = 142
-	SYS_SETSID                         = 147
-	SYS_GETPGID                        = 151
-	SYS_SETPRIVEXEC                    = 152
-	SYS_PREAD                          = 153
-	SYS_PWRITE                         = 154
-	SYS_NFSSVC                         = 155
-	SYS_STATFS                         = 157
-	SYS_FSTATFS                        = 158
-	SYS_UNMOUNT                        = 159
-	SYS_GETFH                          = 161
-	SYS_QUOTACTL                       = 165
-	SYS_MOUNT                          = 167
-	SYS_CSOPS                          = 169
-	SYS_CSOPS_AUDITTOKEN               = 170
-	SYS_WAITID                         = 173
-	SYS_KDEBUG_TYPEFILTER              = 177
-	SYS_KDEBUG_TRACE_STRING            = 178
-	SYS_KDEBUG_TRACE64                 = 179
-	SYS_KDEBUG_TRACE                   = 180
-	SYS_SETGID                         = 181
-	SYS_SETEGID                        = 182
-	SYS_SETEUID                        = 183
-	SYS_SIGRETURN                      = 184
-	SYS_THREAD_SELFCOUNTS              = 186
-	SYS_FDATASYNC                      = 187
-	SYS_STAT                           = 188
-	SYS_FSTAT                          = 189
-	SYS_LSTAT                          = 190
-	SYS_PATHCONF                       = 191
-	SYS_FPATHCONF                      = 192
-	SYS_GETRLIMIT                      = 194
-	SYS_SETRLIMIT                      = 195
-	SYS_GETDIRENTRIES                  = 196
-	SYS_MMAP                           = 197
-	SYS_LSEEK                          = 199
-	SYS_TRUNCATE                       = 200
-	SYS_FTRUNCATE                      = 201
-	SYS_SYSCTL                         = 202
-	SYS_MLOCK                          = 203
-	SYS_MUNLOCK                        = 204
-	SYS_UNDELETE                       = 205
-	SYS_OPEN_DPROTECTED_NP             = 216
-	SYS_GETATTRLIST                    = 220
-	SYS_SETATTRLIST                    = 221
-	SYS_GETDIRENTRIESATTR              = 222
-	SYS_EXCHANGEDATA                   = 223
-	SYS_SEARCHFS                       = 225
-	SYS_DELETE                         = 226
-	SYS_COPYFILE                       = 227
-	SYS_FGETATTRLIST                   = 228
-	SYS_FSETATTRLIST                   = 229
-	SYS_POLL                           = 230
-	SYS_WATCHEVENT                     = 231
-	SYS_WAITEVENT                      = 232
-	SYS_MODWATCH                       = 233
-	SYS_GETXATTR                       = 234
-	SYS_FGETXATTR                      = 235
-	SYS_SETXATTR                       = 236
-	SYS_FSETXATTR                      = 237
-	SYS_REMOVEXATTR                    = 238
-	SYS_FREMOVEXATTR                   = 239
-	SYS_LISTXATTR                      = 240
-	SYS_FLISTXATTR                     = 241
-	SYS_FSCTL                          = 242
-	SYS_INITGROUPS                     = 243
-	SYS_POSIX_SPAWN                    = 244
-	SYS_FFSCTL                         = 245
-	SYS_NFSCLNT                        = 247
-	SYS_FHOPEN                         = 248
-	SYS_MINHERIT                       = 250
-	SYS_SEMSYS                         = 251
-	SYS_MSGSYS                         = 252
-	SYS_SHMSYS                         = 253
-	SYS_SEMCTL                         = 254
-	SYS_SEMGET                         = 255
-	SYS_SEMOP                          = 256
-	SYS_MSGCTL                         = 258
-	SYS_MSGGET                         = 259
-	SYS_MSGSND                         = 260
-	SYS_MSGRCV                         = 261
-	SYS_SHMAT                          = 262
-	SYS_SHMCTL                         = 263
-	SYS_SHMDT                          = 264
-	SYS_SHMGET                         = 265
-	SYS_SHM_OPEN                       = 266
-	SYS_SHM_UNLINK                     = 267
-	SYS_SEM_OPEN                       = 268
-	SYS_SEM_CLOSE                      = 269
-	SYS_SEM_UNLINK                     = 270
-	SYS_SEM_WAIT                       = 271
-	SYS_SEM_TRYWAIT                    = 272
-	SYS_SEM_POST                       = 273
-	SYS_SYSCTLBYNAME                   = 274
-	SYS_OPEN_EXTENDED                  = 277
-	SYS_UMASK_EXTENDED                 = 278
-	SYS_STAT_EXTENDED                  = 279
-	SYS_LSTAT_EXTENDED                 = 280
-	SYS_FSTAT_EXTENDED                 = 281
-	SYS_CHMOD_EXTENDED                 = 282
-	SYS_FCHMOD_EXTENDED                = 283
-	SYS_ACCESS_EXTENDED                = 284
-	SYS_SETTID                         = 285
-	SYS_GETTID                         = 286
-	SYS_SETSGROUPS                     = 287
-	SYS_GETSGROUPS                     = 288
-	SYS_SETWGROUPS                     = 289
-	SYS_GETWGROUPS                     = 290
-	SYS_MKFIFO_EXTENDED                = 291
-	SYS_MKDIR_EXTENDED                 = 292
-	SYS_IDENTITYSVC                    = 293
-	SYS_SHARED_REGION_CHECK_NP         = 294
-	SYS_VM_PRESSURE_MONITOR            = 296
-	SYS_PSYNCH_RW_LONGRDLOCK           = 297
-	SYS_PSYNCH_RW_YIELDWRLOCK          = 298
-	SYS_PSYNCH_RW_DOWNGRADE            = 299
-	SYS_PSYNCH_RW_UPGRADE              = 300
-	SYS_PSYNCH_MUTEXWAIT               = 301
-	SYS_PSYNCH_MUTEXDROP               = 302
-	SYS_PSYNCH_CVBROAD                 = 303
-	SYS_PSYNCH_CVSIGNAL                = 304
-	SYS_PSYNCH_CVWAIT                  = 305
-	SYS_PSYNCH_RW_RDLOCK               = 306
-	SYS_PSYNCH_RW_WRLOCK               = 307
-	SYS_PSYNCH_RW_UNLOCK               = 308
-	SYS_PSYNCH_RW_UNLOCK2              = 309
-	SYS_GETSID                         = 310
-	SYS_SETTID_WITH_PID                = 311
-	SYS_PSYNCH_CVCLRPREPOST            = 312
-	SYS_AIO_FSYNC                      = 313
-	SYS_AIO_RETURN                     = 314
-	SYS_AIO_SUSPEND                    = 315
-	SYS_AIO_CANCEL                     = 316
-	SYS_AIO_ERROR                      = 317
-	SYS_AIO_READ                       = 318
-	SYS_AIO_WRITE                      = 319
-	SYS_LIO_LISTIO                     = 320
-	SYS_IOPOLICYSYS                    = 322
-	SYS_PROCESS_POLICY                 = 323
-	SYS_MLOCKALL                       = 324
-	SYS_MUNLOCKALL                     = 325
-	SYS_ISSETUGID                      = 327
-	SYS___PTHREAD_KILL                 = 328
-	SYS___PTHREAD_SIGMASK              = 329
-	SYS___SIGWAIT                      = 330
-	SYS___DISABLE_THREADSIGNAL         = 331
-	SYS___PTHREAD_MARKCANCEL           = 332
-	SYS___PTHREAD_CANCELED             = 333
-	SYS___SEMWAIT_SIGNAL               = 334
-	SYS_PROC_INFO                      = 336
-	SYS_SENDFILE                       = 337
-	SYS_STAT64                         = 338
-	SYS_FSTAT64                        = 339
-	SYS_LSTAT64                        = 340
-	SYS_STAT64_EXTENDED                = 341
-	SYS_LSTAT64_EXTENDED               = 342
-	SYS_FSTAT64_EXTENDED               = 343
-	SYS_GETDIRENTRIES64                = 344
-	SYS_STATFS64                       = 345
-	SYS_FSTATFS64                      = 346
-	SYS_GETFSSTAT64                    = 347
-	SYS___PTHREAD_CHDIR                = 348
-	SYS___PTHREAD_FCHDIR               = 349
-	SYS_AUDIT                          = 350
-	SYS_AUDITON                        = 351
-	SYS_GETAUID                        = 353
-	SYS_SETAUID                        = 354
-	SYS_GETAUDIT_ADDR                  = 357
-	SYS_SETAUDIT_ADDR                  = 358
-	SYS_AUDITCTL                       = 359
-	SYS_BSDTHREAD_CREATE               = 360
-	SYS_BSDTHREAD_TERMINATE            = 361
-	SYS_KQUEUE                         = 362
-	SYS_KEVENT                         = 363
-	SYS_LCHOWN                         = 364
-	SYS_BSDTHREAD_REGISTER             = 366
-	SYS_WORKQ_OPEN                     = 367
-	SYS_WORKQ_KERNRETURN               = 368
-	SYS_KEVENT64                       = 369
-	SYS___OLD_SEMWAIT_SIGNAL           = 370
-	SYS___OLD_SEMWAIT_SIGNAL_NOCANCEL  = 371
-	SYS_THREAD_SELFID                  = 372
-	SYS_LEDGER                         = 373
-	SYS_KEVENT_QOS                     = 374
-	SYS_KEVENT_ID                      = 375
-	SYS___MAC_EXECVE                   = 380
-	SYS___MAC_SYSCALL                  = 381
-	SYS___MAC_GET_FILE                 = 382
-	SYS___MAC_SET_FILE                 = 383
-	SYS___MAC_GET_LINK                 = 384
-	SYS___MAC_SET_LINK                 = 385
-	SYS___MAC_GET_PROC                 = 386
-	SYS___MAC_SET_PROC                 = 387
-	SYS___MAC_GET_FD                   = 388
-	SYS___MAC_SET_FD                   = 389
-	SYS___MAC_GET_PID                  = 390
-	SYS_PSELECT                        = 394
-	SYS_PSELECT_NOCANCEL               = 395
-	SYS_READ_NOCANCEL                  = 396
-	SYS_WRITE_NOCANCEL                 = 397
-	SYS_OPEN_NOCANCEL                  = 398
-	SYS_CLOSE_NOCANCEL                 = 399
-	SYS_WAIT4_NOCANCEL                 = 400
-	SYS_RECVMSG_NOCANCEL               = 401
-	SYS_SENDMSG_NOCANCEL               = 402
-	SYS_RECVFROM_NOCANCEL              = 403
-	SYS_ACCEPT_NOCANCEL                = 404
-	SYS_MSYNC_NOCANCEL                 = 405
-	SYS_FCNTL_NOCANCEL                 = 406
-	SYS_SELECT_NOCANCEL                = 407
-	SYS_FSYNC_NOCANCEL                 = 408
-	SYS_CONNECT_NOCANCEL               = 409
-	SYS_SIGSUSPEND_NOCANCEL            = 410
-	SYS_READV_NOCANCEL                 = 411
-	SYS_WRITEV_NOCANCEL                = 412
-	SYS_SENDTO_NOCANCEL                = 413
-	SYS_PREAD_NOCANCEL                 = 414
-	SYS_PWRITE_NOCANCEL                = 415
-	SYS_WAITID_NOCANCEL                = 416
-	SYS_POLL_NOCANCEL                  = 417
-	SYS_MSGSND_NOCANCEL                = 418
-	SYS_MSGRCV_NOCANCEL                = 419
-	SYS_SEM_WAIT_NOCANCEL              = 420
-	SYS_AIO_SUSPEND_NOCANCEL           = 421
-	SYS___SIGWAIT_NOCANCEL             = 422
-	SYS___SEMWAIT_SIGNAL_NOCANCEL      = 423
-	SYS___MAC_MOUNT                    = 424
-	SYS___MAC_GET_MOUNT                = 425
-	SYS___MAC_GETFSSTAT                = 426
-	SYS_FSGETPATH                      = 427
-	SYS_AUDIT_SESSION_SELF             = 428
-	SYS_AUDIT_SESSION_JOIN             = 429
-	SYS_FILEPORT_MAKEPORT              = 430
-	SYS_FILEPORT_MAKEFD                = 431
-	SYS_AUDIT_SESSION_PORT             = 432
-	SYS_PID_SUSPEND                    = 433
-	SYS_PID_RESUME                     = 434
-	SYS_PID_HIBERNATE                  = 435
-	SYS_PID_SHUTDOWN_SOCKETS           = 436
-	SYS_SHARED_REGION_MAP_AND_SLIDE_NP = 438
-	SYS_KAS_INFO                       = 439
-	SYS_MEMORYSTATUS_CONTROL           = 440
-	SYS_GUARDED_OPEN_NP                = 441
-	SYS_GUARDED_CLOSE_NP               = 442
-	SYS_GUARDED_KQUEUE_NP              = 443
-	SYS_CHANGE_FDGUARD_NP              = 444
-	SYS_USRCTL                         = 445
-	SYS_PROC_RLIMIT_CONTROL            = 446
-	SYS_CONNECTX                       = 447
-	SYS_DISCONNECTX                    = 448
-	SYS_PEELOFF                        = 449
-	SYS_SOCKET_DELEGATE                = 450
-	SYS_TELEMETRY                      = 451
-	SYS_PROC_UUID_POLICY               = 452
-	SYS_MEMORYSTATUS_GET_LEVEL         = 453
-	SYS_SYSTEM_OVERRIDE                = 454
-	SYS_VFS_PURGE                      = 455
-	SYS_SFI_CTL                        = 456
-	SYS_SFI_PIDCTL                     = 457
-	SYS_COALITION                      = 458
-	SYS_COALITION_INFO                 = 459
-	SYS_NECP_MATCH_POLICY              = 460
-	SYS_GETATTRLISTBULK                = 461
-	SYS_CLONEFILEAT                    = 462
-	SYS_OPENAT                         = 463
-	SYS_OPENAT_NOCANCEL                = 464
-	SYS_RENAMEAT                       = 465
-	SYS_FACCESSAT                      = 466
-	SYS_FCHMODAT                       = 467
-	SYS_FCHOWNAT                       = 468
-	SYS_FSTATAT                        = 469
-	SYS_FSTATAT64                      = 470
-	SYS_LINKAT                         = 471
-	SYS_UNLINKAT                       = 472
-	SYS_READLINKAT                     = 473
-	SYS_SYMLINKAT                      = 474
-	SYS_MKDIRAT                        = 475
-	SYS_GETATTRLISTAT                  = 476
-	SYS_PROC_TRACE_LOG                 = 477
-	SYS_BSDTHREAD_CTL                  = 478
-	SYS_OPENBYID_NP                    = 479
-	SYS_RECVMSG_X                      = 480
-	SYS_SENDMSG_X                      = 481
-	SYS_THREAD_SELFUSAGE               = 482
-	SYS_CSRCTL                         = 483
-	SYS_GUARDED_OPEN_DPROTECTED_NP     = 484
-	SYS_GUARDED_WRITE_NP               = 485
-	SYS_GUARDED_PWRITE_NP              = 486
-	SYS_GUARDED_WRITEV_NP              = 487
-	SYS_RENAMEATX_NP                   = 488
-	SYS_MREMAP_ENCRYPTED               = 489
-	SYS_NETAGENT_TRIGGER               = 490
-	SYS_STACK_SNAPSHOT_WITH_CONFIG     = 491
-	SYS_MICROSTACKSHOT                 = 492
-	SYS_GRAB_PGO_DATA                  = 493
-	SYS_PERSONA                        = 494
-	SYS_WORK_INTERVAL_CTL              = 499
-	SYS_GETENTROPY                     = 500
-	SYS_NECP_OPEN                      = 501
-	SYS_NECP_CLIENT_ACTION             = 502
-	SYS___NEXUS_OPEN                   = 503
-	SYS___NEXUS_REGISTER               = 504
-	SYS___NEXUS_DEREGISTER             = 505
-	SYS___NEXUS_CREATE                 = 506
-	SYS___NEXUS_DESTROY                = 507
-	SYS___NEXUS_GET_OPT                = 508
-	SYS___NEXUS_SET_OPT                = 509
-	SYS___CHANNEL_OPEN                 = 510
-	SYS___CHANNEL_GET_INFO             = 511
-	SYS___CHANNEL_SYNC                 = 512
-	SYS___CHANNEL_GET_OPT              = 513
-	SYS___CHANNEL_SET_OPT              = 514
-	SYS_ULOCK_WAIT                     = 515
-	SYS_ULOCK_WAKE                     = 516
-	SYS_FCLONEFILEAT                   = 517
-	SYS_FS_SNAPSHOT                    = 518
-	SYS_TERMINATE_WITH_PAYLOAD         = 520
-	SYS_ABORT_WITH_PAYLOAD             = 521
-	SYS_NECP_SESSION_OPEN              = 522
-	SYS_NECP_SESSION_ACTION            = 523
-	SYS_SETATTRLISTAT                  = 524
-	SYS_NET_QOS_GUIDELINE              = 525
-	SYS_FMOUNT                         = 526
-	SYS_NTP_ADJTIME                    = 527
-	SYS_NTP_GETTIME                    = 528
-	SYS_OS_FAULT_WITH_PAYLOAD          = 529
-	SYS_KQUEUE_WORKLOOP_CTL            = 530
-	SYS___MACH_BRIDGE_REMOTE_TIME      = 531
-	SYS_MAXSYSCALL                     = 532
-	SYS_INVALID                        = 63
-)
diff --git a/unix/zsysnum_darwin_arm.go b/unix/zsysnum_darwin_arm.go
deleted file mode 100644
index 103a72ed..00000000
--- a/unix/zsysnum_darwin_arm.go
+++ /dev/null
@@ -1,436 +0,0 @@
-// go run mksysnum.go /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.1.sdk/usr/include/sys/syscall.h
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build arm,darwin
-
-package unix
-
-const (
-	SYS_SYSCALL                        = 0
-	SYS_EXIT                           = 1
-	SYS_FORK                           = 2
-	SYS_READ                           = 3
-	SYS_WRITE                          = 4
-	SYS_OPEN                           = 5
-	SYS_CLOSE                          = 6
-	SYS_WAIT4                          = 7
-	SYS_LINK                           = 9
-	SYS_UNLINK                         = 10
-	SYS_CHDIR                          = 12
-	SYS_FCHDIR                         = 13
-	SYS_MKNOD                          = 14
-	SYS_CHMOD                          = 15
-	SYS_CHOWN                          = 16
-	SYS_GETFSSTAT                      = 18
-	SYS_GETPID                         = 20
-	SYS_SETUID                         = 23
-	SYS_GETUID                         = 24
-	SYS_GETEUID                        = 25
-	SYS_PTRACE                         = 26
-	SYS_RECVMSG                        = 27
-	SYS_SENDMSG                        = 28
-	SYS_RECVFROM                       = 29
-	SYS_ACCEPT                         = 30
-	SYS_GETPEERNAME                    = 31
-	SYS_GETSOCKNAME                    = 32
-	SYS_ACCESS                         = 33
-	SYS_CHFLAGS                        = 34
-	SYS_FCHFLAGS                       = 35
-	SYS_SYNC                           = 36
-	SYS_KILL                           = 37
-	SYS_GETPPID                        = 39
-	SYS_DUP                            = 41
-	SYS_PIPE                           = 42
-	SYS_GETEGID                        = 43
-	SYS_SIGACTION                      = 46
-	SYS_GETGID                         = 47
-	SYS_SIGPROCMASK                    = 48
-	SYS_GETLOGIN                       = 49
-	SYS_SETLOGIN                       = 50
-	SYS_ACCT                           = 51
-	SYS_SIGPENDING                     = 52
-	SYS_SIGALTSTACK                    = 53
-	SYS_IOCTL                          = 54
-	SYS_REBOOT                         = 55
-	SYS_REVOKE                         = 56
-	SYS_SYMLINK                        = 57
-	SYS_READLINK                       = 58
-	SYS_EXECVE                         = 59
-	SYS_UMASK                          = 60
-	SYS_CHROOT                         = 61
-	SYS_MSYNC                          = 65
-	SYS_VFORK                          = 66
-	SYS_MUNMAP                         = 73
-	SYS_MPROTECT                       = 74
-	SYS_MADVISE                        = 75
-	SYS_MINCORE                        = 78
-	SYS_GETGROUPS                      = 79
-	SYS_SETGROUPS                      = 80
-	SYS_GETPGRP                        = 81
-	SYS_SETPGID                        = 82
-	SYS_SETITIMER                      = 83
-	SYS_SWAPON                         = 85
-	SYS_GETITIMER                      = 86
-	SYS_GETDTABLESIZE                  = 89
-	SYS_DUP2                           = 90
-	SYS_FCNTL                          = 92
-	SYS_SELECT                         = 93
-	SYS_FSYNC                          = 95
-	SYS_SETPRIORITY                    = 96
-	SYS_SOCKET                         = 97
-	SYS_CONNECT                        = 98
-	SYS_GETPRIORITY                    = 100
-	SYS_BIND                           = 104
-	SYS_SETSOCKOPT                     = 105
-	SYS_LISTEN                         = 106
-	SYS_SIGSUSPEND                     = 111
-	SYS_GETTIMEOFDAY                   = 116
-	SYS_GETRUSAGE                      = 117
-	SYS_GETSOCKOPT                     = 118
-	SYS_READV                          = 120
-	SYS_WRITEV                         = 121
-	SYS_SETTIMEOFDAY                   = 122
-	SYS_FCHOWN                         = 123
-	SYS_FCHMOD                         = 124
-	SYS_SETREUID                       = 126
-	SYS_SETREGID                       = 127
-	SYS_RENAME                         = 128
-	SYS_FLOCK                          = 131
-	SYS_MKFIFO                         = 132
-	SYS_SENDTO                         = 133
-	SYS_SHUTDOWN                       = 134
-	SYS_SOCKETPAIR                     = 135
-	SYS_MKDIR                          = 136
-	SYS_RMDIR                          = 137
-	SYS_UTIMES                         = 138
-	SYS_FUTIMES                        = 139
-	SYS_ADJTIME                        = 140
-	SYS_GETHOSTUUID                    = 142
-	SYS_SETSID                         = 147
-	SYS_GETPGID                        = 151
-	SYS_SETPRIVEXEC                    = 152
-	SYS_PREAD                          = 153
-	SYS_PWRITE                         = 154
-	SYS_NFSSVC                         = 155
-	SYS_STATFS                         = 157
-	SYS_FSTATFS                        = 158
-	SYS_UNMOUNT                        = 159
-	SYS_GETFH                          = 161
-	SYS_QUOTACTL                       = 165
-	SYS_MOUNT                          = 167
-	SYS_CSOPS                          = 169
-	SYS_CSOPS_AUDITTOKEN               = 170
-	SYS_WAITID                         = 173
-	SYS_KDEBUG_TYPEFILTER              = 177
-	SYS_KDEBUG_TRACE_STRING            = 178
-	SYS_KDEBUG_TRACE64                 = 179
-	SYS_KDEBUG_TRACE                   = 180
-	SYS_SETGID                         = 181
-	SYS_SETEGID                        = 182
-	SYS_SETEUID                        = 183
-	SYS_SIGRETURN                      = 184
-	SYS_THREAD_SELFCOUNTS              = 186
-	SYS_FDATASYNC                      = 187
-	SYS_STAT                           = 188
-	SYS_FSTAT                          = 189
-	SYS_LSTAT                          = 190
-	SYS_PATHCONF                       = 191
-	SYS_FPATHCONF                      = 192
-	SYS_GETRLIMIT                      = 194
-	SYS_SETRLIMIT                      = 195
-	SYS_GETDIRENTRIES                  = 196
-	SYS_MMAP                           = 197
-	SYS_LSEEK                          = 199
-	SYS_TRUNCATE                       = 200
-	SYS_FTRUNCATE                      = 201
-	SYS_SYSCTL                         = 202
-	SYS_MLOCK                          = 203
-	SYS_MUNLOCK                        = 204
-	SYS_UNDELETE                       = 205
-	SYS_OPEN_DPROTECTED_NP             = 216
-	SYS_GETATTRLIST                    = 220
-	SYS_SETATTRLIST                    = 221
-	SYS_GETDIRENTRIESATTR              = 222
-	SYS_EXCHANGEDATA                   = 223
-	SYS_SEARCHFS                       = 225
-	SYS_DELETE                         = 226
-	SYS_COPYFILE                       = 227
-	SYS_FGETATTRLIST                   = 228
-	SYS_FSETATTRLIST                   = 229
-	SYS_POLL                           = 230
-	SYS_WATCHEVENT                     = 231
-	SYS_WAITEVENT                      = 232
-	SYS_MODWATCH                       = 233
-	SYS_GETXATTR                       = 234
-	SYS_FGETXATTR                      = 235
-	SYS_SETXATTR                       = 236
-	SYS_FSETXATTR                      = 237
-	SYS_REMOVEXATTR                    = 238
-	SYS_FREMOVEXATTR                   = 239
-	SYS_LISTXATTR                      = 240
-	SYS_FLISTXATTR                     = 241
-	SYS_FSCTL                          = 242
-	SYS_INITGROUPS                     = 243
-	SYS_POSIX_SPAWN                    = 244
-	SYS_FFSCTL                         = 245
-	SYS_NFSCLNT                        = 247
-	SYS_FHOPEN                         = 248
-	SYS_MINHERIT                       = 250
-	SYS_SEMSYS                         = 251
-	SYS_MSGSYS                         = 252
-	SYS_SHMSYS                         = 253
-	SYS_SEMCTL                         = 254
-	SYS_SEMGET                         = 255
-	SYS_SEMOP                          = 256
-	SYS_MSGCTL                         = 258
-	SYS_MSGGET                         = 259
-	SYS_MSGSND                         = 260
-	SYS_MSGRCV                         = 261
-	SYS_SHMAT                          = 262
-	SYS_SHMCTL                         = 263
-	SYS_SHMDT                          = 264
-	SYS_SHMGET                         = 265
-	SYS_SHM_OPEN                       = 266
-	SYS_SHM_UNLINK                     = 267
-	SYS_SEM_OPEN                       = 268
-	SYS_SEM_CLOSE                      = 269
-	SYS_SEM_UNLINK                     = 270
-	SYS_SEM_WAIT                       = 271
-	SYS_SEM_TRYWAIT                    = 272
-	SYS_SEM_POST                       = 273
-	SYS_SYSCTLBYNAME                   = 274
-	SYS_OPEN_EXTENDED                  = 277
-	SYS_UMASK_EXTENDED                 = 278
-	SYS_STAT_EXTENDED                  = 279
-	SYS_LSTAT_EXTENDED                 = 280
-	SYS_FSTAT_EXTENDED                 = 281
-	SYS_CHMOD_EXTENDED                 = 282
-	SYS_FCHMOD_EXTENDED                = 283
-	SYS_ACCESS_EXTENDED                = 284
-	SYS_SETTID                         = 285
-	SYS_GETTID                         = 286
-	SYS_SETSGROUPS                     = 287
-	SYS_GETSGROUPS                     = 288
-	SYS_SETWGROUPS                     = 289
-	SYS_GETWGROUPS                     = 290
-	SYS_MKFIFO_EXTENDED                = 291
-	SYS_MKDIR_EXTENDED                 = 292
-	SYS_IDENTITYSVC                    = 293
-	SYS_SHARED_REGION_CHECK_NP         = 294
-	SYS_VM_PRESSURE_MONITOR            = 296
-	SYS_PSYNCH_RW_LONGRDLOCK           = 297
-	SYS_PSYNCH_RW_YIELDWRLOCK          = 298
-	SYS_PSYNCH_RW_DOWNGRADE            = 299
-	SYS_PSYNCH_RW_UPGRADE              = 300
-	SYS_PSYNCH_MUTEXWAIT               = 301
-	SYS_PSYNCH_MUTEXDROP               = 302
-	SYS_PSYNCH_CVBROAD                 = 303
-	SYS_PSYNCH_CVSIGNAL                = 304
-	SYS_PSYNCH_CVWAIT                  = 305
-	SYS_PSYNCH_RW_RDLOCK               = 306
-	SYS_PSYNCH_RW_WRLOCK               = 307
-	SYS_PSYNCH_RW_UNLOCK               = 308
-	SYS_PSYNCH_RW_UNLOCK2              = 309
-	SYS_GETSID                         = 310
-	SYS_SETTID_WITH_PID                = 311
-	SYS_PSYNCH_CVCLRPREPOST            = 312
-	SYS_AIO_FSYNC                      = 313
-	SYS_AIO_RETURN                     = 314
-	SYS_AIO_SUSPEND                    = 315
-	SYS_AIO_CANCEL                     = 316
-	SYS_AIO_ERROR                      = 317
-	SYS_AIO_READ                       = 318
-	SYS_AIO_WRITE                      = 319
-	SYS_LIO_LISTIO                     = 320
-	SYS_IOPOLICYSYS                    = 322
-	SYS_PROCESS_POLICY                 = 323
-	SYS_MLOCKALL                       = 324
-	SYS_MUNLOCKALL                     = 325
-	SYS_ISSETUGID                      = 327
-	SYS___PTHREAD_KILL                 = 328
-	SYS___PTHREAD_SIGMASK              = 329
-	SYS___SIGWAIT                      = 330
-	SYS___DISABLE_THREADSIGNAL         = 331
-	SYS___PTHREAD_MARKCANCEL           = 332
-	SYS___PTHREAD_CANCELED             = 333
-	SYS___SEMWAIT_SIGNAL               = 334
-	SYS_PROC_INFO                      = 336
-	SYS_SENDFILE                       = 337
-	SYS_STAT64                         = 338
-	SYS_FSTAT64                        = 339
-	SYS_LSTAT64                        = 340
-	SYS_STAT64_EXTENDED                = 341
-	SYS_LSTAT64_EXTENDED               = 342
-	SYS_FSTAT64_EXTENDED               = 343
-	SYS_GETDIRENTRIES64                = 344
-	SYS_STATFS64                       = 345
-	SYS_FSTATFS64                      = 346
-	SYS_GETFSSTAT64                    = 347
-	SYS___PTHREAD_CHDIR                = 348
-	SYS___PTHREAD_FCHDIR               = 349
-	SYS_AUDIT                          = 350
-	SYS_AUDITON                        = 351
-	SYS_GETAUID                        = 353
-	SYS_SETAUID                        = 354
-	SYS_GETAUDIT_ADDR                  = 357
-	SYS_SETAUDIT_ADDR                  = 358
-	SYS_AUDITCTL                       = 359
-	SYS_BSDTHREAD_CREATE               = 360
-	SYS_BSDTHREAD_TERMINATE            = 361
-	SYS_KQUEUE                         = 362
-	SYS_KEVENT                         = 363
-	SYS_LCHOWN                         = 364
-	SYS_BSDTHREAD_REGISTER             = 366
-	SYS_WORKQ_OPEN                     = 367
-	SYS_WORKQ_KERNRETURN               = 368
-	SYS_KEVENT64                       = 369
-	SYS___OLD_SEMWAIT_SIGNAL           = 370
-	SYS___OLD_SEMWAIT_SIGNAL_NOCANCEL  = 371
-	SYS_THREAD_SELFID                  = 372
-	SYS_LEDGER                         = 373
-	SYS_KEVENT_QOS                     = 374
-	SYS_KEVENT_ID                      = 375
-	SYS___MAC_EXECVE                   = 380
-	SYS___MAC_SYSCALL                  = 381
-	SYS___MAC_GET_FILE                 = 382
-	SYS___MAC_SET_FILE                 = 383
-	SYS___MAC_GET_LINK                 = 384
-	SYS___MAC_SET_LINK                 = 385
-	SYS___MAC_GET_PROC                 = 386
-	SYS___MAC_SET_PROC                 = 387
-	SYS___MAC_GET_FD                   = 388
-	SYS___MAC_SET_FD                   = 389
-	SYS___MAC_GET_PID                  = 390
-	SYS_PSELECT                        = 394
-	SYS_PSELECT_NOCANCEL               = 395
-	SYS_READ_NOCANCEL                  = 396
-	SYS_WRITE_NOCANCEL                 = 397
-	SYS_OPEN_NOCANCEL                  = 398
-	SYS_CLOSE_NOCANCEL                 = 399
-	SYS_WAIT4_NOCANCEL                 = 400
-	SYS_RECVMSG_NOCANCEL               = 401
-	SYS_SENDMSG_NOCANCEL               = 402
-	SYS_RECVFROM_NOCANCEL              = 403
-	SYS_ACCEPT_NOCANCEL                = 404
-	SYS_MSYNC_NOCANCEL                 = 405
-	SYS_FCNTL_NOCANCEL                 = 406
-	SYS_SELECT_NOCANCEL                = 407
-	SYS_FSYNC_NOCANCEL                 = 408
-	SYS_CONNECT_NOCANCEL               = 409
-	SYS_SIGSUSPEND_NOCANCEL            = 410
-	SYS_READV_NOCANCEL                 = 411
-	SYS_WRITEV_NOCANCEL                = 412
-	SYS_SENDTO_NOCANCEL                = 413
-	SYS_PREAD_NOCANCEL                 = 414
-	SYS_PWRITE_NOCANCEL                = 415
-	SYS_WAITID_NOCANCEL                = 416
-	SYS_POLL_NOCANCEL                  = 417
-	SYS_MSGSND_NOCANCEL                = 418
-	SYS_MSGRCV_NOCANCEL                = 419
-	SYS_SEM_WAIT_NOCANCEL              = 420
-	SYS_AIO_SUSPEND_NOCANCEL           = 421
-	SYS___SIGWAIT_NOCANCEL             = 422
-	SYS___SEMWAIT_SIGNAL_NOCANCEL      = 423
-	SYS___MAC_MOUNT                    = 424
-	SYS___MAC_GET_MOUNT                = 425
-	SYS___MAC_GETFSSTAT                = 426
-	SYS_FSGETPATH                      = 427
-	SYS_AUDIT_SESSION_SELF             = 428
-	SYS_AUDIT_SESSION_JOIN             = 429
-	SYS_FILEPORT_MAKEPORT              = 430
-	SYS_FILEPORT_MAKEFD                = 431
-	SYS_AUDIT_SESSION_PORT             = 432
-	SYS_PID_SUSPEND                    = 433
-	SYS_PID_RESUME                     = 434
-	SYS_PID_HIBERNATE                  = 435
-	SYS_PID_SHUTDOWN_SOCKETS           = 436
-	SYS_SHARED_REGION_MAP_AND_SLIDE_NP = 438
-	SYS_KAS_INFO                       = 439
-	SYS_MEMORYSTATUS_CONTROL           = 440
-	SYS_GUARDED_OPEN_NP                = 441
-	SYS_GUARDED_CLOSE_NP               = 442
-	SYS_GUARDED_KQUEUE_NP              = 443
-	SYS_CHANGE_FDGUARD_NP              = 444
-	SYS_USRCTL                         = 445
-	SYS_PROC_RLIMIT_CONTROL            = 446
-	SYS_CONNECTX                       = 447
-	SYS_DISCONNECTX                    = 448
-	SYS_PEELOFF                        = 449
-	SYS_SOCKET_DELEGATE                = 450
-	SYS_TELEMETRY                      = 451
-	SYS_PROC_UUID_POLICY               = 452
-	SYS_MEMORYSTATUS_GET_LEVEL         = 453
-	SYS_SYSTEM_OVERRIDE                = 454
-	SYS_VFS_PURGE                      = 455
-	SYS_SFI_CTL                        = 456
-	SYS_SFI_PIDCTL                     = 457
-	SYS_COALITION                      = 458
-	SYS_COALITION_INFO                 = 459
-	SYS_NECP_MATCH_POLICY              = 460
-	SYS_GETATTRLISTBULK                = 461
-	SYS_CLONEFILEAT                    = 462
-	SYS_OPENAT                         = 463
-	SYS_OPENAT_NOCANCEL                = 464
-	SYS_RENAMEAT                       = 465
-	SYS_FACCESSAT                      = 466
-	SYS_FCHMODAT                       = 467
-	SYS_FCHOWNAT                       = 468
-	SYS_FSTATAT                        = 469
-	SYS_FSTATAT64                      = 470
-	SYS_LINKAT                         = 471
-	SYS_UNLINKAT                       = 472
-	SYS_READLINKAT                     = 473
-	SYS_SYMLINKAT                      = 474
-	SYS_MKDIRAT                        = 475
-	SYS_GETATTRLISTAT                  = 476
-	SYS_PROC_TRACE_LOG                 = 477
-	SYS_BSDTHREAD_CTL                  = 478
-	SYS_OPENBYID_NP                    = 479
-	SYS_RECVMSG_X                      = 480
-	SYS_SENDMSG_X                      = 481
-	SYS_THREAD_SELFUSAGE               = 482
-	SYS_CSRCTL                         = 483
-	SYS_GUARDED_OPEN_DPROTECTED_NP     = 484
-	SYS_GUARDED_WRITE_NP               = 485
-	SYS_GUARDED_PWRITE_NP              = 486
-	SYS_GUARDED_WRITEV_NP              = 487
-	SYS_RENAMEATX_NP                   = 488
-	SYS_MREMAP_ENCRYPTED               = 489
-	SYS_NETAGENT_TRIGGER               = 490
-	SYS_STACK_SNAPSHOT_WITH_CONFIG     = 491
-	SYS_MICROSTACKSHOT                 = 492
-	SYS_GRAB_PGO_DATA                  = 493
-	SYS_PERSONA                        = 494
-	SYS_WORK_INTERVAL_CTL              = 499
-	SYS_GETENTROPY                     = 500
-	SYS_NECP_OPEN                      = 501
-	SYS_NECP_CLIENT_ACTION             = 502
-	SYS___NEXUS_OPEN                   = 503
-	SYS___NEXUS_REGISTER               = 504
-	SYS___NEXUS_DEREGISTER             = 505
-	SYS___NEXUS_CREATE                 = 506
-	SYS___NEXUS_DESTROY                = 507
-	SYS___NEXUS_GET_OPT                = 508
-	SYS___NEXUS_SET_OPT                = 509
-	SYS___CHANNEL_OPEN                 = 510
-	SYS___CHANNEL_GET_INFO             = 511
-	SYS___CHANNEL_SYNC                 = 512
-	SYS___CHANNEL_GET_OPT              = 513
-	SYS___CHANNEL_SET_OPT              = 514
-	SYS_ULOCK_WAIT                     = 515
-	SYS_ULOCK_WAKE                     = 516
-	SYS_FCLONEFILEAT                   = 517
-	SYS_FS_SNAPSHOT                    = 518
-	SYS_TERMINATE_WITH_PAYLOAD         = 520
-	SYS_ABORT_WITH_PAYLOAD             = 521
-	SYS_NECP_SESSION_OPEN              = 522
-	SYS_NECP_SESSION_ACTION            = 523
-	SYS_SETATTRLISTAT                  = 524
-	SYS_NET_QOS_GUIDELINE              = 525
-	SYS_FMOUNT                         = 526
-	SYS_NTP_ADJTIME                    = 527
-	SYS_NTP_GETTIME                    = 528
-	SYS_OS_FAULT_WITH_PAYLOAD          = 529
-	SYS_MAXSYSCALL                     = 530
-	SYS_INVALID                        = 63
-)
diff --git a/unix/zsysnum_darwin_arm64.go b/unix/zsysnum_darwin_arm64.go
deleted file mode 100644
index 7ab2130b..00000000
--- a/unix/zsysnum_darwin_arm64.go
+++ /dev/null
@@ -1,436 +0,0 @@
-// go run mksysnum.go /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.1.sdk/usr/include/sys/syscall.h
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build arm64,darwin
-
-package unix
-
-const (
-	SYS_SYSCALL                        = 0
-	SYS_EXIT                           = 1
-	SYS_FORK                           = 2
-	SYS_READ                           = 3
-	SYS_WRITE                          = 4
-	SYS_OPEN                           = 5
-	SYS_CLOSE                          = 6
-	SYS_WAIT4                          = 7
-	SYS_LINK                           = 9
-	SYS_UNLINK                         = 10
-	SYS_CHDIR                          = 12
-	SYS_FCHDIR                         = 13
-	SYS_MKNOD                          = 14
-	SYS_CHMOD                          = 15
-	SYS_CHOWN                          = 16
-	SYS_GETFSSTAT                      = 18
-	SYS_GETPID                         = 20
-	SYS_SETUID                         = 23
-	SYS_GETUID                         = 24
-	SYS_GETEUID                        = 25
-	SYS_PTRACE                         = 26
-	SYS_RECVMSG                        = 27
-	SYS_SENDMSG                        = 28
-	SYS_RECVFROM                       = 29
-	SYS_ACCEPT                         = 30
-	SYS_GETPEERNAME                    = 31
-	SYS_GETSOCKNAME                    = 32
-	SYS_ACCESS                         = 33
-	SYS_CHFLAGS                        = 34
-	SYS_FCHFLAGS                       = 35
-	SYS_SYNC                           = 36
-	SYS_KILL                           = 37
-	SYS_GETPPID                        = 39
-	SYS_DUP                            = 41
-	SYS_PIPE                           = 42
-	SYS_GETEGID                        = 43
-	SYS_SIGACTION                      = 46
-	SYS_GETGID                         = 47
-	SYS_SIGPROCMASK                    = 48
-	SYS_GETLOGIN                       = 49
-	SYS_SETLOGIN                       = 50
-	SYS_ACCT                           = 51
-	SYS_SIGPENDING                     = 52
-	SYS_SIGALTSTACK                    = 53
-	SYS_IOCTL                          = 54
-	SYS_REBOOT                         = 55
-	SYS_REVOKE                         = 56
-	SYS_SYMLINK                        = 57
-	SYS_READLINK                       = 58
-	SYS_EXECVE                         = 59
-	SYS_UMASK                          = 60
-	SYS_CHROOT                         = 61
-	SYS_MSYNC                          = 65
-	SYS_VFORK                          = 66
-	SYS_MUNMAP                         = 73
-	SYS_MPROTECT                       = 74
-	SYS_MADVISE                        = 75
-	SYS_MINCORE                        = 78
-	SYS_GETGROUPS                      = 79
-	SYS_SETGROUPS                      = 80
-	SYS_GETPGRP                        = 81
-	SYS_SETPGID                        = 82
-	SYS_SETITIMER                      = 83
-	SYS_SWAPON                         = 85
-	SYS_GETITIMER                      = 86
-	SYS_GETDTABLESIZE                  = 89
-	SYS_DUP2                           = 90
-	SYS_FCNTL                          = 92
-	SYS_SELECT                         = 93
-	SYS_FSYNC                          = 95
-	SYS_SETPRIORITY                    = 96
-	SYS_SOCKET                         = 97
-	SYS_CONNECT                        = 98
-	SYS_GETPRIORITY                    = 100
-	SYS_BIND                           = 104
-	SYS_SETSOCKOPT                     = 105
-	SYS_LISTEN                         = 106
-	SYS_SIGSUSPEND                     = 111
-	SYS_GETTIMEOFDAY                   = 116
-	SYS_GETRUSAGE                      = 117
-	SYS_GETSOCKOPT                     = 118
-	SYS_READV                          = 120
-	SYS_WRITEV                         = 121
-	SYS_SETTIMEOFDAY                   = 122
-	SYS_FCHOWN                         = 123
-	SYS_FCHMOD                         = 124
-	SYS_SETREUID                       = 126
-	SYS_SETREGID                       = 127
-	SYS_RENAME                         = 128
-	SYS_FLOCK                          = 131
-	SYS_MKFIFO                         = 132
-	SYS_SENDTO                         = 133
-	SYS_SHUTDOWN                       = 134
-	SYS_SOCKETPAIR                     = 135
-	SYS_MKDIR                          = 136
-	SYS_RMDIR                          = 137
-	SYS_UTIMES                         = 138
-	SYS_FUTIMES                        = 139
-	SYS_ADJTIME                        = 140
-	SYS_GETHOSTUUID                    = 142
-	SYS_SETSID                         = 147
-	SYS_GETPGID                        = 151
-	SYS_SETPRIVEXEC                    = 152
-	SYS_PREAD                          = 153
-	SYS_PWRITE                         = 154
-	SYS_NFSSVC                         = 155
-	SYS_STATFS                         = 157
-	SYS_FSTATFS                        = 158
-	SYS_UNMOUNT                        = 159
-	SYS_GETFH                          = 161
-	SYS_QUOTACTL                       = 165
-	SYS_MOUNT                          = 167
-	SYS_CSOPS                          = 169
-	SYS_CSOPS_AUDITTOKEN               = 170
-	SYS_WAITID                         = 173
-	SYS_KDEBUG_TYPEFILTER              = 177
-	SYS_KDEBUG_TRACE_STRING            = 178
-	SYS_KDEBUG_TRACE64                 = 179
-	SYS_KDEBUG_TRACE                   = 180
-	SYS_SETGID                         = 181
-	SYS_SETEGID                        = 182
-	SYS_SETEUID                        = 183
-	SYS_SIGRETURN                      = 184
-	SYS_THREAD_SELFCOUNTS              = 186
-	SYS_FDATASYNC                      = 187
-	SYS_STAT                           = 188
-	SYS_FSTAT                          = 189
-	SYS_LSTAT                          = 190
-	SYS_PATHCONF                       = 191
-	SYS_FPATHCONF                      = 192
-	SYS_GETRLIMIT                      = 194
-	SYS_SETRLIMIT                      = 195
-	SYS_GETDIRENTRIES                  = 196
-	SYS_MMAP                           = 197
-	SYS_LSEEK                          = 199
-	SYS_TRUNCATE                       = 200
-	SYS_FTRUNCATE                      = 201
-	SYS_SYSCTL                         = 202
-	SYS_MLOCK                          = 203
-	SYS_MUNLOCK                        = 204
-	SYS_UNDELETE                       = 205
-	SYS_OPEN_DPROTECTED_NP             = 216
-	SYS_GETATTRLIST                    = 220
-	SYS_SETATTRLIST                    = 221
-	SYS_GETDIRENTRIESATTR              = 222
-	SYS_EXCHANGEDATA                   = 223
-	SYS_SEARCHFS                       = 225
-	SYS_DELETE                         = 226
-	SYS_COPYFILE                       = 227
-	SYS_FGETATTRLIST                   = 228
-	SYS_FSETATTRLIST                   = 229
-	SYS_POLL                           = 230
-	SYS_WATCHEVENT                     = 231
-	SYS_WAITEVENT                      = 232
-	SYS_MODWATCH                       = 233
-	SYS_GETXATTR                       = 234
-	SYS_FGETXATTR                      = 235
-	SYS_SETXATTR                       = 236
-	SYS_FSETXATTR                      = 237
-	SYS_REMOVEXATTR                    = 238
-	SYS_FREMOVEXATTR                   = 239
-	SYS_LISTXATTR                      = 240
-	SYS_FLISTXATTR                     = 241
-	SYS_FSCTL                          = 242
-	SYS_INITGROUPS                     = 243
-	SYS_POSIX_SPAWN                    = 244
-	SYS_FFSCTL                         = 245
-	SYS_NFSCLNT                        = 247
-	SYS_FHOPEN                         = 248
-	SYS_MINHERIT                       = 250
-	SYS_SEMSYS                         = 251
-	SYS_MSGSYS                         = 252
-	SYS_SHMSYS                         = 253
-	SYS_SEMCTL                         = 254
-	SYS_SEMGET                         = 255
-	SYS_SEMOP                          = 256
-	SYS_MSGCTL                         = 258
-	SYS_MSGGET                         = 259
-	SYS_MSGSND                         = 260
-	SYS_MSGRCV                         = 261
-	SYS_SHMAT                          = 262
-	SYS_SHMCTL                         = 263
-	SYS_SHMDT                          = 264
-	SYS_SHMGET                         = 265
-	SYS_SHM_OPEN                       = 266
-	SYS_SHM_UNLINK                     = 267
-	SYS_SEM_OPEN                       = 268
-	SYS_SEM_CLOSE                      = 269
-	SYS_SEM_UNLINK                     = 270
-	SYS_SEM_WAIT                       = 271
-	SYS_SEM_TRYWAIT                    = 272
-	SYS_SEM_POST                       = 273
-	SYS_SYSCTLBYNAME                   = 274
-	SYS_OPEN_EXTENDED                  = 277
-	SYS_UMASK_EXTENDED                 = 278
-	SYS_STAT_EXTENDED                  = 279
-	SYS_LSTAT_EXTENDED                 = 280
-	SYS_FSTAT_EXTENDED                 = 281
-	SYS_CHMOD_EXTENDED                 = 282
-	SYS_FCHMOD_EXTENDED                = 283
-	SYS_ACCESS_EXTENDED                = 284
-	SYS_SETTID                         = 285
-	SYS_GETTID                         = 286
-	SYS_SETSGROUPS                     = 287
-	SYS_GETSGROUPS                     = 288
-	SYS_SETWGROUPS                     = 289
-	SYS_GETWGROUPS                     = 290
-	SYS_MKFIFO_EXTENDED                = 291
-	SYS_MKDIR_EXTENDED                 = 292
-	SYS_IDENTITYSVC                    = 293
-	SYS_SHARED_REGION_CHECK_NP         = 294
-	SYS_VM_PRESSURE_MONITOR            = 296
-	SYS_PSYNCH_RW_LONGRDLOCK           = 297
-	SYS_PSYNCH_RW_YIELDWRLOCK          = 298
-	SYS_PSYNCH_RW_DOWNGRADE            = 299
-	SYS_PSYNCH_RW_UPGRADE              = 300
-	SYS_PSYNCH_MUTEXWAIT               = 301
-	SYS_PSYNCH_MUTEXDROP               = 302
-	SYS_PSYNCH_CVBROAD                 = 303
-	SYS_PSYNCH_CVSIGNAL                = 304
-	SYS_PSYNCH_CVWAIT                  = 305
-	SYS_PSYNCH_RW_RDLOCK               = 306
-	SYS_PSYNCH_RW_WRLOCK               = 307
-	SYS_PSYNCH_RW_UNLOCK               = 308
-	SYS_PSYNCH_RW_UNLOCK2              = 309
-	SYS_GETSID                         = 310
-	SYS_SETTID_WITH_PID                = 311
-	SYS_PSYNCH_CVCLRPREPOST            = 312
-	SYS_AIO_FSYNC                      = 313
-	SYS_AIO_RETURN                     = 314
-	SYS_AIO_SUSPEND                    = 315
-	SYS_AIO_CANCEL                     = 316
-	SYS_AIO_ERROR                      = 317
-	SYS_AIO_READ                       = 318
-	SYS_AIO_WRITE                      = 319
-	SYS_LIO_LISTIO                     = 320
-	SYS_IOPOLICYSYS                    = 322
-	SYS_PROCESS_POLICY                 = 323
-	SYS_MLOCKALL                       = 324
-	SYS_MUNLOCKALL                     = 325
-	SYS_ISSETUGID                      = 327
-	SYS___PTHREAD_KILL                 = 328
-	SYS___PTHREAD_SIGMASK              = 329
-	SYS___SIGWAIT                      = 330
-	SYS___DISABLE_THREADSIGNAL         = 331
-	SYS___PTHREAD_MARKCANCEL           = 332
-	SYS___PTHREAD_CANCELED             = 333
-	SYS___SEMWAIT_SIGNAL               = 334
-	SYS_PROC_INFO                      = 336
-	SYS_SENDFILE                       = 337
-	SYS_STAT64                         = 338
-	SYS_FSTAT64                        = 339
-	SYS_LSTAT64                        = 340
-	SYS_STAT64_EXTENDED                = 341
-	SYS_LSTAT64_EXTENDED               = 342
-	SYS_FSTAT64_EXTENDED               = 343
-	SYS_GETDIRENTRIES64                = 344
-	SYS_STATFS64                       = 345
-	SYS_FSTATFS64                      = 346
-	SYS_GETFSSTAT64                    = 347
-	SYS___PTHREAD_CHDIR                = 348
-	SYS___PTHREAD_FCHDIR               = 349
-	SYS_AUDIT                          = 350
-	SYS_AUDITON                        = 351
-	SYS_GETAUID                        = 353
-	SYS_SETAUID                        = 354
-	SYS_GETAUDIT_ADDR                  = 357
-	SYS_SETAUDIT_ADDR                  = 358
-	SYS_AUDITCTL                       = 359
-	SYS_BSDTHREAD_CREATE               = 360
-	SYS_BSDTHREAD_TERMINATE            = 361
-	SYS_KQUEUE                         = 362
-	SYS_KEVENT                         = 363
-	SYS_LCHOWN                         = 364
-	SYS_BSDTHREAD_REGISTER             = 366
-	SYS_WORKQ_OPEN                     = 367
-	SYS_WORKQ_KERNRETURN               = 368
-	SYS_KEVENT64                       = 369
-	SYS___OLD_SEMWAIT_SIGNAL           = 370
-	SYS___OLD_SEMWAIT_SIGNAL_NOCANCEL  = 371
-	SYS_THREAD_SELFID                  = 372
-	SYS_LEDGER                         = 373
-	SYS_KEVENT_QOS                     = 374
-	SYS_KEVENT_ID                      = 375
-	SYS___MAC_EXECVE                   = 380
-	SYS___MAC_SYSCALL                  = 381
-	SYS___MAC_GET_FILE                 = 382
-	SYS___MAC_SET_FILE                 = 383
-	SYS___MAC_GET_LINK                 = 384
-	SYS___MAC_SET_LINK                 = 385
-	SYS___MAC_GET_PROC                 = 386
-	SYS___MAC_SET_PROC                 = 387
-	SYS___MAC_GET_FD                   = 388
-	SYS___MAC_SET_FD                   = 389
-	SYS___MAC_GET_PID                  = 390
-	SYS_PSELECT                        = 394
-	SYS_PSELECT_NOCANCEL               = 395
-	SYS_READ_NOCANCEL                  = 396
-	SYS_WRITE_NOCANCEL                 = 397
-	SYS_OPEN_NOCANCEL                  = 398
-	SYS_CLOSE_NOCANCEL                 = 399
-	SYS_WAIT4_NOCANCEL                 = 400
-	SYS_RECVMSG_NOCANCEL               = 401
-	SYS_SENDMSG_NOCANCEL               = 402
-	SYS_RECVFROM_NOCANCEL              = 403
-	SYS_ACCEPT_NOCANCEL                = 404
-	SYS_MSYNC_NOCANCEL                 = 405
-	SYS_FCNTL_NOCANCEL                 = 406
-	SYS_SELECT_NOCANCEL                = 407
-	SYS_FSYNC_NOCANCEL                 = 408
-	SYS_CONNECT_NOCANCEL               = 409
-	SYS_SIGSUSPEND_NOCANCEL            = 410
-	SYS_READV_NOCANCEL                 = 411
-	SYS_WRITEV_NOCANCEL                = 412
-	SYS_SENDTO_NOCANCEL                = 413
-	SYS_PREAD_NOCANCEL                 = 414
-	SYS_PWRITE_NOCANCEL                = 415
-	SYS_WAITID_NOCANCEL                = 416
-	SYS_POLL_NOCANCEL                  = 417
-	SYS_MSGSND_NOCANCEL                = 418
-	SYS_MSGRCV_NOCANCEL                = 419
-	SYS_SEM_WAIT_NOCANCEL              = 420
-	SYS_AIO_SUSPEND_NOCANCEL           = 421
-	SYS___SIGWAIT_NOCANCEL             = 422
-	SYS___SEMWAIT_SIGNAL_NOCANCEL      = 423
-	SYS___MAC_MOUNT                    = 424
-	SYS___MAC_GET_MOUNT                = 425
-	SYS___MAC_GETFSSTAT                = 426
-	SYS_FSGETPATH                      = 427
-	SYS_AUDIT_SESSION_SELF             = 428
-	SYS_AUDIT_SESSION_JOIN             = 429
-	SYS_FILEPORT_MAKEPORT              = 430
-	SYS_FILEPORT_MAKEFD                = 431
-	SYS_AUDIT_SESSION_PORT             = 432
-	SYS_PID_SUSPEND                    = 433
-	SYS_PID_RESUME                     = 434
-	SYS_PID_HIBERNATE                  = 435
-	SYS_PID_SHUTDOWN_SOCKETS           = 436
-	SYS_SHARED_REGION_MAP_AND_SLIDE_NP = 438
-	SYS_KAS_INFO                       = 439
-	SYS_MEMORYSTATUS_CONTROL           = 440
-	SYS_GUARDED_OPEN_NP                = 441
-	SYS_GUARDED_CLOSE_NP               = 442
-	SYS_GUARDED_KQUEUE_NP              = 443
-	SYS_CHANGE_FDGUARD_NP              = 444
-	SYS_USRCTL                         = 445
-	SYS_PROC_RLIMIT_CONTROL            = 446
-	SYS_CONNECTX                       = 447
-	SYS_DISCONNECTX                    = 448
-	SYS_PEELOFF                        = 449
-	SYS_SOCKET_DELEGATE                = 450
-	SYS_TELEMETRY                      = 451
-	SYS_PROC_UUID_POLICY               = 452
-	SYS_MEMORYSTATUS_GET_LEVEL         = 453
-	SYS_SYSTEM_OVERRIDE                = 454
-	SYS_VFS_PURGE                      = 455
-	SYS_SFI_CTL                        = 456
-	SYS_SFI_PIDCTL                     = 457
-	SYS_COALITION                      = 458
-	SYS_COALITION_INFO                 = 459
-	SYS_NECP_MATCH_POLICY              = 460
-	SYS_GETATTRLISTBULK                = 461
-	SYS_CLONEFILEAT                    = 462
-	SYS_OPENAT                         = 463
-	SYS_OPENAT_NOCANCEL                = 464
-	SYS_RENAMEAT                       = 465
-	SYS_FACCESSAT                      = 466
-	SYS_FCHMODAT                       = 467
-	SYS_FCHOWNAT                       = 468
-	SYS_FSTATAT                        = 469
-	SYS_FSTATAT64                      = 470
-	SYS_LINKAT                         = 471
-	SYS_UNLINKAT                       = 472
-	SYS_READLINKAT                     = 473
-	SYS_SYMLINKAT                      = 474
-	SYS_MKDIRAT                        = 475
-	SYS_GETATTRLISTAT                  = 476
-	SYS_PROC_TRACE_LOG                 = 477
-	SYS_BSDTHREAD_CTL                  = 478
-	SYS_OPENBYID_NP                    = 479
-	SYS_RECVMSG_X                      = 480
-	SYS_SENDMSG_X                      = 481
-	SYS_THREAD_SELFUSAGE               = 482
-	SYS_CSRCTL                         = 483
-	SYS_GUARDED_OPEN_DPROTECTED_NP     = 484
-	SYS_GUARDED_WRITE_NP               = 485
-	SYS_GUARDED_PWRITE_NP              = 486
-	SYS_GUARDED_WRITEV_NP              = 487
-	SYS_RENAMEATX_NP                   = 488
-	SYS_MREMAP_ENCRYPTED               = 489
-	SYS_NETAGENT_TRIGGER               = 490
-	SYS_STACK_SNAPSHOT_WITH_CONFIG     = 491
-	SYS_MICROSTACKSHOT                 = 492
-	SYS_GRAB_PGO_DATA                  = 493
-	SYS_PERSONA                        = 494
-	SYS_WORK_INTERVAL_CTL              = 499
-	SYS_GETENTROPY                     = 500
-	SYS_NECP_OPEN                      = 501
-	SYS_NECP_CLIENT_ACTION             = 502
-	SYS___NEXUS_OPEN                   = 503
-	SYS___NEXUS_REGISTER               = 504
-	SYS___NEXUS_DEREGISTER             = 505
-	SYS___NEXUS_CREATE                 = 506
-	SYS___NEXUS_DESTROY                = 507
-	SYS___NEXUS_GET_OPT                = 508
-	SYS___NEXUS_SET_OPT                = 509
-	SYS___CHANNEL_OPEN                 = 510
-	SYS___CHANNEL_GET_INFO             = 511
-	SYS___CHANNEL_SYNC                 = 512
-	SYS___CHANNEL_GET_OPT              = 513
-	SYS___CHANNEL_SET_OPT              = 514
-	SYS_ULOCK_WAIT                     = 515
-	SYS_ULOCK_WAKE                     = 516
-	SYS_FCLONEFILEAT                   = 517
-	SYS_FS_SNAPSHOT                    = 518
-	SYS_TERMINATE_WITH_PAYLOAD         = 520
-	SYS_ABORT_WITH_PAYLOAD             = 521
-	SYS_NECP_SESSION_OPEN              = 522
-	SYS_NECP_SESSION_ACTION            = 523
-	SYS_SETATTRLISTAT                  = 524
-	SYS_NET_QOS_GUIDELINE              = 525
-	SYS_FMOUNT                         = 526
-	SYS_NTP_ADJTIME                    = 527
-	SYS_NTP_GETTIME                    = 528
-	SYS_OS_FAULT_WITH_PAYLOAD          = 529
-	SYS_MAXSYSCALL                     = 530
-	SYS_INVALID                        = 63
-)