SADB_EXT_KEY_AUTH
!ext_hdrs[SADB_EXT_KEY_AUTH-1])
key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
[SADB_EXT_KEY_AUTH] = (u8) sizeof(struct sadb_key),
case SADB_EXT_KEY_AUTH:
key->sadb_key_exttype = SADB_EXT_KEY_AUTH;