GQOPSG (Inquire name of open segment) - returns the name of the currently open segment.

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

       #include <ncarg/gks.h>

       void ginq_name_open_seg(Gint *err_ind, Gint *name_open_seg);

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

UNIX                                               March 1993                                     GQOPSG(3NCARG)

       ERRIND      (Integer,  Output) - If the GKS state is SGOP (segment open), then ERRIND is returned as "0";
                   otherwise ERRIND is returned as "4".

       SGNA        (Integer, Output) - If the GKS state is SGOP (segment open), then SGNA  is  returned  as  the
                   number of the currently open segment; otherwise SGNA is undefined.

       GQOPSG (Inquire name of open segment) - returns the name of the currently open segment.

       Online: gevtm, gactm, gclsg, gcrsg, gcsgwk, gdsg, gqsgus, gssgt., ginq_name_open_seg

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

       CALL GQOPSG(ERRIND,SGNA)