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);
