+extern int set_selected_item(Menu* menu, int selected_item);
+extern int set_menu_focus(Menu* menu, bool focus);
+extern int set_menu_userdata(Menu* menu, void* userdata);
+extern int set_menuitem_descrip(MenuItem* menuitem, char* descrip);
+extern int set_menuitem_userdata(MenuItem* menuitem, void* userdata);
+
+extern int insert_item(Menu* menu, MenuItem* menuitem, int index);
+extern int delete_item(Menu* menu, int index);
+
+extern int menu_driver(Menu* menu, MenuAction action);
+
+extern int render_menu(Menu* menu);