func isSysErrInvalidArg(err error) bool {
	return errors.Is(err, syscall.EINVAL)
}

// Input/output error
func isSysErrIO(err error) bool {
	return errors.Is(err, syscall.EIO)
}

// Check if the given error corresponds to EISDIR (is a directory).
func isSysErrIsDir(err error) bool {
	return errors.Is(err, syscall.EISDIR)
}

	cmd.Env = append(cmd.Environ(), "GO_TEST_TERMINAL_PASSTHROUGH=1")
	cmd.Stdout = w
	cmd.Stderr = w

	// The behavior of reading from a PTY after the child closes it is very
	// strange: on Linux, Read returns EIO, and on at least some versions of
	// macOS, unread output may be discarded (see https://go.dev/issue/57141).
	//
	// To avoid that situation, we keep the child process running until the

	*basep = uintptr(base)
	if base>>32 != 0 {
		// We can't stuff the base back into a uintptr, so any
		// future calls would be suspect. Generate an error.
		// EIO is allowed by getdirentries.
		err = EIO
	}
	return
}

func Mknod(path string, mode uint32, dev uint64) (err error) {
	return mknodat(_AT_FDCWD, path, mode, dev)
}

/*
 * Exposed directly
 */

	if unsafe.Sizeof(*basep) == 8 {
		return
	}
	if off>>32 != 0 {
		// We can't stuff the offset back into a uintptr, so any
		// future calls would be suspect. Generate an error.
		// EIO is allowed by getdirentries.
		err = EIO
	}
	return
}

//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD

// TODO
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {

	*basep = uintptr(base)
	if base>>32 != 0 {
		// We can't stuff the base back into a uintptr, so any
		// future calls would be suspect. Generate an error.
		// EIO is allowed by getdirentries.
		err = EIO
	}
	return
}

func Mknod(path string, mode uint32, dev uint64) (err error) {
	return Mknodat(AT_FDCWD, path, mode, dev)
}

	EIDRM           = syscall.Errno(0x24)
	EILSEQ          = syscall.Errno(0x74)
	EINPROGRESS     = syscall.Errno(0x37)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x4b)
	EISDIR          = syscall.Errno(0x15)
	EL2HLT          = syscall.Errno(0x2c)
	EL2NSYNC        = syscall.Errno(0x26)

	EIDRM           = syscall.Errno(0x24)
	EILSEQ          = syscall.Errno(0x58)
	EINPROGRESS     = syscall.Errno(0x96)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x85)
	EISDIR          = syscall.Errno(0x15)
	EL2HLT          = syscall.Errno(0x2c)
	EL2NSYNC        = syscall.Errno(0x26)

	EIDRM           = syscall.Errno(0x24)
	EILSEQ          = syscall.Errno(0x74)
	EINPROGRESS     = syscall.Errno(0x37)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x4b)
	EISDIR          = syscall.Errno(0x15)
	EL2HLT          = syscall.Errno(0x2c)
	EL2NSYNC        = syscall.Errno(0x26)

	EIDRM           = syscall.Errno(0x52)
	EILSEQ          = syscall.Errno(0x56)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x63)
	ELOOP           = syscall.Errno(0x3e)

	EIDRM           = syscall.Errno(0x59)
	EILSEQ          = syscall.Errno(0x54)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EIPSEC          = syscall.Errno(0x52)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x5f)