private object *query_inventory(object obj); private void remove_inv(object obj, object from); static varargs object environment(object obj); static void move_object(mixed obj, mixed dest); static varargs object *all_inventory(object obj); static object *deep_inventory(object obj); static varargs object first_inventory(mixed obj); static varargs object next_inventory(object obj); # define INIT_INVENTORY() inventory = ({ })