extern Lisp_Object Qwindowp, Qwindow_live_p;
extern Lisp_Object Vwindow_list;
-extern void select_window_1 (Lisp_Object window, bool inhibit_point_swap);
extern struct window *decode_live_window (Lisp_Object);
extern struct window *decode_any_window (Lisp_Object);
extern bool compare_window_configurations (Lisp_Object, Lisp_Object, bool);