{29, "ESPIPE", "illegal seek"},
	{30, "EROFS", "read-only file system"},
	{31, "EMLINK", "too many links"},
	{32, "EPIPE", "broken pipe"},
	{33, "EDOM", "numerical argument out of domain"},
	{34, "ERANGE", "numerical result out of range"},
	{35, "ENOMSG", "no message of desired type"},
	{36, "EIDRM", "identifier removed"},
	{37, "ECHRNG", "channel number out of range"},
	{38, "EL2NSYNC", "level 2 not synchronized"},

	{29, "ESPIPE", "illegal seek"},
	{30, "EROFS", "read-only file system"},
	{31, "EMLINK", "too many links"},
	{32, "EPIPE", "broken pipe"},
	{33, "EDOM", "numerical argument out of domain"},
	{34, "ERANGE", "numerical result out of range"},
	{36, "EINPROGRESS", "operation now in progress"},
	{37, "EALREADY", "operation already in progress"},
	{38, "ENOTSOCK", "socket operation on non-socket"},

	{29, "ESPIPE", "illegal seek"},
	{30, "EROFS", "read-only file system"},
	{31, "EMLINK", "too many links"},
	{32, "EPIPE", "broken pipe"},
	{33, "EDOM", "numerical argument out of domain"},
	{34, "ERANGE", "numerical result out of range"},
	{35, "EDEADLK", "resource deadlock avoided"},
	{36, "ENAMETOOLONG", "file name too long"},
	{37, "ENOLCK", "no locks available"},
	{38, "ENOSYS", "function not implemented"},

		b := make([]byte, len)
		err := getcwd(&b[0], len)
		if err == nil {
			i := 0
			for b[i] != 0 {
				i++
			}
			return string(b[0:i]), nil
		}
		if err != ERANGE {
			return "", err
		}
	}
}

func Getcwd(buf []byte) (n int, err error) {
	err = getcwd(&buf[0], uint64(len(buf)))
	if err == nil {
		i := 0
		for buf[i] != 0 {
			i++
		}

	{29, "ESPIPE", "illegal seek"},
	{30, "EROFS", "read-only file system"},
	{31, "EMLINK", "too many links"},
	{32, "EPIPE", "broken pipe"},
	{33, "EDOM", "numerical argument out of domain"},
	{34, "ERANGE", "numerical result out of range"},
	{35, "EDEADLK", "resource deadlock avoided"},
	{36, "ENAMETOOLONG", "file name too long"},
	{37, "ENOLCK", "no locks available"},
	{38, "ENOSYS", "function not implemented"},

	{29, "ESPIPE", "illegal seek"},
	{30, "EROFS", "read-only file system"},
	{31, "EMLINK", "too many links"},
	{32, "EPIPE", "broken pipe"},
	{33, "EDOM", "numerical argument out of domain"},
	{34, "ERANGE", "numerical result out of range"},
	{35, "EDEADLK", "resource deadlock avoided"},
	{36, "ENAMETOOLONG", "file name too long"},
	{37, "ENOLCK", "no locks available"},
	{38, "ENOSYS", "function not implemented"},

	EPROGUNAVAIL    = Errno(0x4a)
	EPROTO          = Errno(0x64)
	EPROTONOSUPPORT = Errno(0x2b)
	EPROTOTYPE      = Errno(0x29)
	EPWROFF         = Errno(0x52)
	EQFULL          = Errno(0x6a)
	ERANGE          = Errno(0x22)
	EREMOTE         = Errno(0x47)
	EROFS           = Errno(0x1e)
	ERPCMISMATCH    = Errno(0x49)
	ESHLIBVERS      = Errno(0x57)
	ESHUTDOWN       = Errno(0x3a)
	ESOCKTNOSUPPORT = Errno(0x2c)

	EPFNOSUPPORT    = Errno(0x41)
	EPIPE           = Errno(0x20)
	EPROCLIM        = Errno(0x53)
	EPROTO          = Errno(0x79)
	EPROTONOSUPPORT = Errno(0x3e)
	EPROTOTYPE      = Errno(0x3c)
	ERANGE          = Errno(0x22)
	EREMOTE         = Errno(0x5d)
	ERESTART        = Errno(0x52)
	EROFS           = Errno(0x1e)
	ESAD            = Errno(0x71)
	ESHUTDOWN       = Errno(0x4d)
	ESOCKTNOSUPPORT = Errno(0x3f)

	AT_EMPTY_PATH                   = 0x1000
	AT_REMOVEDIR                    = 0x200
	RENAME_NOREPLACE                = 1 << 0
)

const (
	EDOM               = Errno(1)
	ERANGE             = Errno(2)
	EACCES             = Errno(111)
	EAGAIN             = Errno(112)
	EBADF              = Errno(113)
	EBUSY              = Errno(114)
	ECHILD             = Errno(115)

	EPERM           = Errno(0x1)
	EPFNOSUPPORT    = Errno(0x60)
	EPIPE           = Errno(0x20)
	EPROTO          = Errno(0x47)
	EPROTONOSUPPORT = Errno(0x5d)
	EPROTOTYPE      = Errno(0x5b)
	ERANGE          = Errno(0x22)
	EREMCHG         = Errno(0x4e)
	EREMOTE         = Errno(0x42)
	EREMOTEIO       = Errno(0x79)
	ERESTART        = Errno(0x55)
	ERFKILL         = Errno(0x84)
	EROFS           = Errno(0x1e)