/* This station can be used, add it to st1/st2 */
if (owner == MAX_COMPANIES || owner == INVALID_OWNER || st->owner == OWNER_NONE || st->owner == owner) {
if (st1 == NULL || st->goods[type].rating >= best_rating1) {
st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating;
} else if (st2 == NULL || st->goods[type].rating >= best_rating2) {