fd := open(&buf[0], _OWRITE, 0)
	if fd < 0 {
		return -1
	}
	len := findnull(&msg[0])
	if write1(uintptr(fd), unsafe.Pointer(&msg[0]), int32(len)) != int32(len) {
		closefd(fd)
		return -1
	}
	closefd(fd)
	return 0
}

//go:nosplit
func exit(e int32) {
	var status []byte
	if e == 0 {
		status = emptystatus
	} else {
		// build error string
		var tmp [32]byte

			err = syscall.ENOENT
		}
		return 0, err
	}
	return uintptr(fd), nil
}

func read(fd uintptr, buf []byte) (int, error) {
	return syscall.Read(syscall.Handle(fd), buf)
}

func closefd(fd uintptr) {
	syscall.Close(syscall.Handle(fd))
}

func preadn(fd uintptr, buf []byte, off int) error {
	whence := seekStart
	if off < 0 {
		whence = seekEnd
	}

	if err != nil {
		return 0, err
	}
	return uintptr(fd), nil
}

func read(fd uintptr, buf []byte) (int, error) {
	return syscall.Read(int(fd), buf)
}

func closefd(fd uintptr) {
	syscall.Close(int(fd))
}

func preadn(fd uintptr, buf []byte, off int) error {
	whence := seekStart
	if off < 0 {
		whence = seekEnd
	}
	if _, err := syscall.Seek(int(fd), int64(off), whence); err != nil {

	"unsafe"
)

// read calls the read system call.
// It returns a non-negative number of bytes written or a negative errno value.
func read(fd int32, p unsafe.Pointer, n int32) int32

func closefd(fd int32) int32

func exit(code int32)
func usleep(usec uint32)

//go:nosplit
func usleep_no_g(usec uint32) {
	usleep(usec)
}

// write1 calls the write system call.

	copy(buf, envDir)
	dirfd := open(&buf[0], _OREAD, 0)
	if dirfd < 0 {
		return
	}
	defer closefd(dirfd)
	dofiles(dirfd, func(name []byte) {
		name = append(name, 0)
		buf = buf[:len(envDir)]
		copy(buf, envDir)
		buf = append(buf, name...)
		fd := open(&buf[0], _OREAD, 0)
		if fd < 0 {
			return
		}
		defer closefd(fd)
		n := len(buf)
		r := 0
		for {
			r = int(pread(fd, unsafe.Pointer(&buf[0]), int32(n), 0))

	if err != nil {
		return 0, err
	}
	return uintptr(fd), nil
}

func read(fd uintptr, buf []byte) (int, error) {
	return syscall.Read(int(fd), buf)
}

func closefd(fd uintptr) {
	syscall.Close(int(fd))
}

func preadn(fd uintptr, buf []byte, off int) error {
	whence := seekStart
	if off < 0 {
		whence = seekEnd
	}
	if _, err := syscall.Seek(int(fd), int64(off), whence); err != nil {

	fd := open(&devPath[0], 0 /* O_RDONLY */ |_O_CLOEXEC, 0)
	if fd < 0 {
		atomic.Casuintptr(&hpetDevMap[idx], 0, ^uintptr(0))
		return
	}

	addr, mmapErr := mmap(nil, physPageSize, _PROT_READ, _MAP_SHARED, fd, 0)
	closefd(fd)
	newP := uintptr(addr)
	if mmapErr != 0 {
		newP = ^uintptr(0)
	}
	if !atomic.Casuintptr(&hpetDevMap[idx], 0, newP) && mmapErr == 0 {
		munmap(addr, physPageSize)
	}
}

//go:nosplit

		if err1 != 0 {
			goto childerror
		}
	}

	// By convention, we don't close-on-exec the fds we are
	// started with, so if len(fd) < 3, close 0, 1, 2 as needed.
	// Programs that know they inherit fds >= 3 will need
	// to set them close-on-exec.
	for i = len(fd); i < 3; i++ {
		closeFD(uintptr(i))
	}

	// Detach fd 0 from tty
	if sys.Noctty {
		err1 = ioctl(0, uintptr(TIOCNOTTY), 0)

	)
	if len(name) > namesize {
		return nil, errors.New(name + " is longer than the maximum zone name length (40 bytes)")
	}
	fd, err := open(file)
	if err != nil {
		return nil, err
	}
	defer closefd(fd)

	buf := make([]byte, headersize)
	if err := preadn(fd, buf, 0); err != nil {
		return nil, errors.New("corrupt tzdata file " + file)
	}
	d := dataIO{buf, false}
	if magic := d.read(6); string(magic) != "tzdata" {

TEXT ·rawSysvicall6(SB),NOSPLIT,$0
	JMP	runtime·syscall_rawsysvicall6(SB)

TEXT ·chdir(SB),NOSPLIT,$0
	JMP	runtime·syscall_chdir(SB)

TEXT ·chroot1(SB),NOSPLIT,$0
	JMP	runtime·syscall_chroot(SB)

TEXT ·closeFD(SB),NOSPLIT,$0
	JMP	runtime·syscall_close(SB)

TEXT ·dup2child(SB),NOSPLIT,$0
	JMP	runtime·syscall_dup2(SB)
	RET

TEXT ·execve(SB),NOSPLIT,$0
	JMP	runtime·syscall_execve(SB)

TEXT ·exit(SB),NOSPLIT,$0