#ifndef lintstatic  char sccsid[] = "@(#)poligons.c 1.1 92/07/30 Copyr 1990 Sun Micro";#endif/* * Copyright (c) 1990 by Sun Microsystems, Inc. */#include <stdio.h>#include <sdrtns.h>     /* sdrtns.h should always be included */#include <esd.h>extern char *gpsi_3D_poligons();static char *errmsg;/**********************************************************************/char *poligons()/**********************************************************************//* tests poligons generation capability */{    func_name = "poligons";    TRACE_IN    if(!open_gp()) {	TRACE_OUT	return(errmsg_list[1]);    }    errmsg = gpsi_3D_poligons();    if (errmsg) {	TRACE_OUT	return(errmsg);    }    TRACE_OUT    return(char *)0;}