Return current location in a directory.
Source position: unix.pp line 146
| function TellDir( | 
| p: pDir | 
| ):TOff; | 
TellDir returns the current location in the directory structure pointed to by p. It returns -1 on failure.
For an example, see #rtl.baseunix.fpOpenDir.
| 
 | Close directory file descriptor. | |
| 
 | Read entry from directory. | |
| 
 | Open a directory for reading. | |
| 
 | Seek to position in directory. |