GERROR — Get last system error message ¶Returns the system error message corresponding to the last system error.
This resembles the functionality of strerror(3) in C.
GNU extension
Subroutine
CALL GERROR(RESULT)
| RESULT | Shall be of type CHARACTERand of default kind. | 
PROGRAM test_gerror CHARACTER(len=100) :: msg CALL gerror(msg) WRITE(*,*) msg END PROGRAM
IERRNO — Get the last system error number, 
PERROR — Print system error message