bool al_find_menu_item(ALLEGRO_MENU *haystack, uint16_t id, ALLEGRO_MENU **menu,
Searches in the haystack menu for an item with the given id. (Note that this only represents a literal ID, and cannot be used as an index.)
If menu and index are not NULL, they will be set as the parent menu containing the item and the zero-based (positive) index of the item. (If the menu item was not found, then their values are undefined.)
Returns true if the menu item was found.