GCRSG - creates a GKS segment

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

       #include <ncarg/gks.h>

       void gcreate_seg(Gint seg_name);

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

UNIX                                               March 1993                                      GCRSG(3NCARG)

       SGNA        (Integer,  Input) - Specifies the segment identifier that will be used in calls to subsequent
                   segment functions applying to this segment.  There can be a maximum  of  100  segments  in  a
                   given job step.  Legal values for SGNA are integers between 0 and 99 inclusive.

       GCRSG - creates a GKS segment

       Online: gevtm, gactm, gclsg, gcsgwk, gdsg, gqopsg, gqsgus, gssgt., gcreate_seg

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

       CALL GCRSG(SGNA)