return NULL;
XImage *xreadscreen(Display *disp, Drawable d, int x, int y,    unsigned int width, unsigned int height, Bool show_cursor) {#ifdef SOLARIS_OVERLAY	return XReadScreen(disp, d, x, y, width, height,	    show_cursor);#endif#ifdef IRIX_OVERLAY	{	unsigned long hints = 0, hints_ret;		if (show_cursor) hints |= XRD_READ_POINTER;		return XReadDisplay(disp, d, x, y, width, height,		    hints, &hints_ret);	}#endif	return NULL;}