Clear all file descriptors in set.
Source position: bunxovlh.inc line 74
| function fpFD_ZERO( | 
| out nset: TFDSet | 
| ):cint; | 
FpFD_ZERO clears all the file descriptors in the file descriptor set nset.
For an example, see FpSelect.
None.
| 
 | Wait for events on file descriptors. | |
| 
 | Clears a file descriptor in a set. | |
| 
 | Set a file descriptor in a set. | |
| 
 | Check whether a file descriptor is set. |