PRMSG - PRINT MESSAGE CORRESPONDING TO SYSTEM RETURN CODE -- JWB -- 1981-Oct-01

This routine can be used to print (on SYS$OUTPUT) the message corresponding
to the return status code from the VAX/VMS system services.  These are 
obtained by using

      INTEGER SYS$xxx
      ...
      ISTAT = SYS$xxx(arg1, arg2, ...)
      ...
      IF (.NOT.ISTAT) CALL PRMSG(ISTAT)

where SYS$xxx is any system service call.

Status:  In  build:[BLDARCH.LIB]OPSLIB.OLB



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