GQOPS (Inquire operating state value) - returns the operating state of GKS.

       To use GKS routines, load the NCAR GKS-0A library ncarg_gks.

       #include <ncarg/gks.h>

       void ginq_op_st(Gop_st *op_st);

       Copyright (C) 1987-2009
       University Corporation for Atmospheric Research
       The use of this Software is governed by a License Agreement.

UNIX                                               March 1993                                      GQOPS(3NCARG)

       OPSTA       (Integer, Output) - Returns the GKS operating state:

                   0      GKS is closed

                   1      GKS is open

                   2      Additionally, a workstation is open

                   3      Additionally, a workstation is active

                   4      Additionally, a segment is open

       GQOPS (Inquire operating state value) - returns the operating state of GKS.

       Online: gopks, gopwk, gacwk, gdawk, gclwk, gclks, opngks, clsgks, ginq_op_st

       Hardcopy: "User's Guide for NCAR GKS-0A Graphics"

       CALL GQOPS (OPSTA)