67   errno = 0;  in _topendir()
71       errno = EFAULT;  in _topendir()
77       errno = ENOTDIR;  in _topendir()
86       errno = ENOENT;  in _topendir()
92       errno = ENOTDIR;  in _topendir()
107       errno = ENOMEM;  in _topendir()
153   errno = 0;  in _treaddir()
158       errno = EFAULT;  in _treaddir()
195 	    errno = 0;	  in _treaddir()
232   errno = 0;  in _tclosedir()
237       errno = EFAULT;  in _tclosedir()
261   errno = 0;  in _trewinddir()
265       errno = EFAULT;  in _trewinddir()
287   errno = 0;  in _ttelldir()
291       errno = EFAULT;  in _ttelldir()
309   errno = 0;  in _tseekdir()
313       errno = EFAULT;  in _tseekdir()
320       errno = EINVAL;  in _tseekdir()