Set extended error information.
Source position: baseunix.pp line 51
| procedure fpseterrno( | 
| err: LongInt | 
| ); | 
fpseterrno sets the extended information on the latest error. It is called by all functions that communicate with the kernel or C library.
Unless a direct kernel call is performed, there should never be any need to call this function.
| 
 | Retrieve extended error information. |