22:/std/living/tool.c (/std/living.c)
(nomask mixed) occupy_slot(object tool)
/*
 * Function name: occupy_slot
 * Description:   Try to put the specified object in its slot(s)
 * Arguments:     The object to be put in the slot(s)
 * Returns:       1 - slots successfully occupied
 *                string - An error message
 */
