void subwindow_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
Lisp_Object pointer_fg, Lisp_Object pointer_bg,
int dest_mask, Lisp_Object domain);
void widget_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
Lisp_Object pointer_fg, Lisp_Object pointer_bg,
int dest_mask, Lisp_Object domain);
void subwindow_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
Lisp_Object pointer_fg, Lisp_Object pointer_bg,
int dest_mask, Lisp_Object domain);
void widget_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
Lisp_Object pointer_fg, Lisp_Object pointer_bg,
int dest_mask, Lisp_Object domain);