285:/std/container.c (/std/container.c)
(public int) prevent_leave(object ob)
/*
 * Function name: prevent_leave
 * Description:   Called when an object is trying to leave this container
 *                to see if we allow it to leave.
 * Arguments:     object ob - the object trying to leave
 * Returns:       1 - The object is not allowed to leave
 *                0 - The object is allowed to leave
 */
