EBADRPC         = Errno(0x48)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x59)
	ECHILD          = Errno(0xa)
	ECONNABORTED    = Errno(0x35)
	ECONNREFUSED    = Errno(0x3d)
	ECONNRESET      = Errno(0x36)
	EDEADLK         = Errno(0xb)
	EDESTADDRREQ    = Errno(0x27)
	EDEVERR         = Errno(0x53)
	EDOM            = Errno(0x21)
	EDQUOT          = Errno(0x45)
	EEXIST          = Errno(0x11)

	ECHILD          = syscall.Errno(0xa)
	ECHRNG          = syscall.Errno(0x25)
	ECLONEME        = syscall.Errno(0x52)
	ECONNABORTED    = syscall.Errno(0x48)
	ECONNREFUSED    = syscall.Errno(0x4f)
	ECONNRESET      = syscall.Errno(0x49)
	ECORRUPT        = syscall.Errno(0x59)
	EDEADLK         = syscall.Errno(0x2d)
	EDESTADDREQ     = syscall.Errno(0x3a)
	EDESTADDRREQ    = syscall.Errno(0x3a)

	EBADRQC         = Errno(0x38)
	EBADSLT         = Errno(0x39)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x7d)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x2c)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x67)
	ECONNREFUSED    = Errno(0x6f)
	ECONNRESET      = Errno(0x68)
	EDEADLK         = Errno(0x23)
	EDEADLOCK       = Errno(0x3a)

	EBADRQC         = Errno(0x38)
	EBADSLT         = Errno(0x39)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x7d)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x2c)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x67)
	ECONNREFUSED    = Errno(0x6f)
	ECONNRESET      = Errno(0x68)
	EDEADLK         = Errno(0x23)
	EDEADLOCK       = Errno(0x23)

	EBADMSG         = syscall.Errno(0x4d)
	EBADR           = syscall.Errno(0x33)
	EBADRQC         = syscall.Errno(0x36)
	EBADSLT         = syscall.Errno(0x37)
	EBFONT          = syscall.Errno(0x39)
	EBUSY           = syscall.Errno(0x10)
	ECANCELED       = syscall.Errno(0x2f)
	ECHILD          = syscall.Errno(0xa)
	ECHRNG          = syscall.Errno(0x25)
	ECOMM           = syscall.Errno(0x46)

	EBADRQC         = Errno(0x38)
	EBADSLT         = Errno(0x39)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x7d)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x2c)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x67)
	ECONNREFUSED    = Errno(0x6f)
	ECONNRESET      = Errno(0x68)
	EDEADLK         = Errno(0x23)
	EDEADLOCK       = Errno(0x23)

	var grp _C_struct_group
	var found bool

	err := retryWithBuffer(groupBuffer, func(buf []byte) syscall.Errno {
		var errno syscall.Errno
		grp, found, errno = _C_getgrgid_r(_C_gid_t(gid),
			(*_C_char)(unsafe.Pointer(&buf[0])), _C_size_t(len(buf)))
		return syscall.Errno(errno)
	})
	if err == syscall.ENOENT || (err == nil && !found) {
		return nil, UnknownGroupIdError(strconv.Itoa(gid))
	}

	for preopenFd := int32(3); ; preopenFd++ {
		var prestat prestat

		errno := fd_prestat_get(preopenFd, unsafe.Pointer(&prestat))
		if errno == EBADF {
			break
		}
		if errno == ENOTDIR || prestat.typ != preopentypeDir {
			continue
		}
		if errno != 0 {
			panic("fd_prestat: " + errno.Error())
		}
		if int(prestat.dir.prNameLen) > len(dirNameBuf) {

func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
func syscall_syscall9(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // 32-bit only
func syscall_rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)

func libc_grantpt_trampoline()

func Grantpt(fd int) error {
	_, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_grantpt_trampoline), uintptr(fd), 0, 0, 0, 0, 0)
	if errno != 0 {
		return errno
	}
	return nil
}

//go:cgo_import_dynamic libc_unlockpt unlockpt "/usr/lib/libSystem.B.dylib"
func libc_unlockpt_trampoline()

func Unlockpt(fd int) error {