extern int PSCreateFile(int , Window , Window , char * );
extern int Gdraws_drawFrame(int , Window , Window , char * );
extern int Gdraws_setDimension(Window , Window );
extern int GDrawImageString(GC , Window , int , int , const char* , int , int );
extern int GDrawArc(GC , Window , int , int , unsigned int , unsigned int , int , int , int );
extern int GDrawLine(GC , Window , int , int , int , int , int );
extern int GDrawLines(GC , Window , XPoint * , int , int , int );
extern int GDrawPoint(Window , GC , int , int , int );
extern int GDrawString(GC , Window , int , int , const char* , int , int );
extern int GFillArc(GC , Window , int , int , unsigned int , unsigned int , int , int , int );
extern int PSGlobalInit(void );
extern int PSInit(Window , Window );
extern int PSCreateContext(GC , const char* , int , int , int , float , float );
extern char * PSfindGC(GC );
extern int GSetForeground(GC , float , int );
extern int GSetBackground(GC , float , int );
extern int GSetLineAttributes(GC , int , int , int , int , int );
extern int PSClose(void );
extern int centerX(GC , const char* , int , int );
extern int centerY(GC , int );
extern int PSColorPolygon(float , float , float , XPoint * , int );
extern int PSColorwOutline(float , float , float , XPoint * , int );
extern int PSDrawColor(float , float , float , XPoint * , int );
extern int PSFillPolygon(GC , XPoint * , int );
extern int PSFillwOutline(GC , XPoint * , int );
extern HashTable * XCreateAssocTable(int );
extern void XMakeAssoc(Display * , HashTable * , Window , int * );
extern int * XLookUpAssoc(Display * , HashTable * , Window );
extern void XDeleteAssoc(Display * , HashTable * , Window );
extern int GDrawRectangle(GC , Window , short , short , short , short , int );
extern int GDraw3DButtonOut(GC , Window , short , short , short , short , int );
extern int GDraw3DButtonIn(GC , Window , short , short , short , short , int );
extern int GDrawPushButton(Display * , GC , GC , GC , Window , short ,
short , short , short , int , const char* , unsigned long , unsigned long , int );
#ifdef _GFUN_C
static void filecopy(FILE * , FILE * );
static int TrivEqual(Window , Window );
static int TrivHash_code(Window , int );
#endif