void XSetClipMask(Display *, GC, Pixmap);
void XSetClipOrigin(Display *, GC, int, int);
void XFillRectangle(Display *, Drawable, GC, int, int,
void XSetClipMask(Display *, GC, Pixmap);
void XSetClipOrigin(Display *, GC, int, int);
void XFillRectangle(Display *, Drawable, GC, int, int,