Clears a file descriptor in a set.
Source position: bunxovlh.inc line 73
| function fpFD_CLR( | 
| fdno: cint; | 
| var nset: TFDSet | 
| ):cint; | 
FpFD_Clr clears file descriptor fdno in file descriptor set nset.
For an example, see FpSelect.
None.
| 
 | Wait for events on file descriptors. | |
| 
 | Clear all file descriptors in set. | |
| 
 | Set a file descriptor in a set. | |
| 
 | Check whether a file descriptor is set. |