-typedef void (*lw_callback) (Widget w, LWLIB_ID id, void* data);
-
-void lw_register_widget (char* type, char* name, LWLIB_ID id,
- widget_value* val, lw_callback pre_activate_cb,
- lw_callback selection_cb,
- lw_callback post_activate_cb);
-Widget lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p);
-Widget lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p);
-Widget lw_create_widget (char* type, char* name, LWLIB_ID id,
- widget_value* val, Widget parent, Boolean pop_up_p,
- lw_callback pre_activate_cb,
- lw_callback selection_cb,
- lw_callback post_activate_cb);
-LWLIB_ID lw_get_widget_id (Widget w);
-void lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p);
-void lw_destroy_widget (Widget w);
-void lw_destroy_all_widgets (LWLIB_ID id);
-void lw_destroy_everything (void);
-void lw_destroy_all_pop_ups (void);
-Widget lw_raise_all_pop_up_widgets (void);
-widget_value* lw_get_all_values (LWLIB_ID id);
-Boolean lw_get_some_values (LWLIB_ID id, widget_value* val);
-void lw_pop_up_all_widgets (LWLIB_ID id);
-void lw_pop_down_all_widgets (LWLIB_ID id);
+typedef void (*lw_callback) __P ((Widget w, LWLIB_ID id, void* data));
+
+void lw_register_widget __P ((char* type, char* name, LWLIB_ID id,
+ widget_value* val, lw_callback pre_activate_cb,
+ lw_callback selection_cb,
+ lw_callback post_activate_cb,
+ lw_callback highlight_cb));
+Widget lw_get_widget __P ((LWLIB_ID id, Widget parent, Boolean pop_up_p));
+Widget lw_make_widget __P ((LWLIB_ID id, Widget parent, Boolean pop_up_p));
+Widget lw_create_widget __P ((char* type, char* name, LWLIB_ID id,
+ widget_value* val, Widget parent, Boolean pop_up_p,
+ lw_callback pre_activate_cb,
+ lw_callback selection_cb,
+ lw_callback post_activate_cb,
+ lw_callback highlight_cb));
+LWLIB_ID lw_get_widget_id __P ((Widget w));
+int lw_modify_all_widgets __P ((LWLIB_ID id, widget_value* val, Boolean deep_p));
+void lw_destroy_widget __P ((Widget w));
+void lw_destroy_all_widgets __P ((LWLIB_ID id));
+void lw_destroy_everything __P ((void));
+void lw_destroy_all_pop_ups __P ((void));
+Widget lw_raise_all_pop_up_widgets __P ((void));
+widget_value* lw_get_all_values __P ((LWLIB_ID id));
+Boolean lw_get_some_values __P ((LWLIB_ID id, widget_value* val));
+void lw_pop_up_all_widgets __P ((LWLIB_ID id));
+void lw_pop_down_all_widgets __P ((LWLIB_ID id));