[Overview][Constants][Types][Procedures and functions][Index] |
Check whether a file descriptor is set
Source position: bunxovlh.inc line 75
function fpFD_ISSET( |
fdno: cint; |
const nset: TFDSet |
):cint; |
FpFD_Set Checks whether file descriptor fdNo in file descriptor set fds is set. It returns zero if the descriptor is not set, 1 if it is set. If the number of the file descriptor it wrong, -1 is returned.
For an example, see FpSelect.
If an invalid file descriptor number is passed, -1 is returned.
|
Wait for events on file descriptors |
|
|
Clear all file descriptors in set |
|
|
Clears a file descriptor in a set |
|
|
Set a file descriptor in a set |