int valid_image_p P_ ((Lisp_Object));
void prepare_image_for_display P_ ((struct frame *, struct image *));
int lookup_image P_ ((struct frame *, Lisp_Object));
+
+#ifdef HAVE_X_WINDOWS
unsigned long image_background P_ ((struct image *, struct frame *,
XImage *ximg));
int image_background_transparent P_ ((struct image *, struct frame *,
XImage *mask));
+#endif /* HAVE_X_WINDOWS */
+
extern Lisp_Object tip_frame;
extern Window tip_window;
EXFUN (Fx_show_tip, 6);