lsa_equal
int lsa_equal(struct lsa *, struct lsa *);
if (lsa_equal(new->lsa, old->lsa))
if (lsa_equal(lsa, v->lsa)) {
int lsa_equal(struct lsa *, struct lsa *);
if (lsa_equal(new->lsa, old->lsa))
if (lsa_equal(lsa, v->lsa)) {