extern int char_bitmap(void); extern int XInitShades(Display * , int ); extern int XChangeShade(Display * , int ); extern int XQueryShades(unsigned int * ); extern void XShadeRectangle(Display * , Drawable , int , int , unsigned int , unsigned int ); extern void XShadeRectangles(Display * , Drawable , XRectangle * , int ); extern void XShadePolygon(Display * , Drawable , XPoint * , int , int , int ); extern void XShadeArc(Display * , Drawable , int , int , unsigned int , unsigned int , int , int ); extern void XShadeArcs(Display * , Drawable , XArc * , int );