Reports the error status of low-level file functions
| Error | Meaning |
| 0 | Successful |
| 2 | File not found |
| 3 | Path not found |
| 4 | Too many files open |
| 5 | Access denied |
| 6 | Invalid handle |
| 8 | Insufficient memory |
| 15 | Invalid drive specified |
| 19 | Attempted to write to a write-protected disk |
| 21 | Drive not ready |
| 23 | Data CRC error |
| 29 | Write fault |
| 30 | Read fault |
| 32 | Sharing violation |
| 33 | Lock Violation |
#include "Fileio.ch"
//
nHandle := FCREATE("Temp.txt", FC_NORMAL)
IF FERROR() != 0
? "Cannot create file, DOS error ", FERROR()
ENDIF