sadb_alg_t
sadb_alg_t *saalg;
saalg = (sadb_alg_t *)(((uint8_t *)nextext) + sizeof (*sasupp));
sadb_alg_t *saalg;
saalg = (sadb_alg_t *)(sasupp_auth + 1);
saalg = (sadb_alg_t *)(sasupp_encr + 1);