CALL PERHND(ERRNR, FCTID, ERRFIL).
Not implemented in FORTRAN.
GPHIGS FORTRAN binding is an interface on top of the C binding. The error handling function is called by the GPHIGS kernel which is written in C. For this reason, GPHIGS does not implement the FORTRAN version of this function. To use this feature, follow the instructions described in the GPHIGS user guide.
open phigs, error logging, set error handling mode, set error handling