pfkey_setsadbkey
p = pfkey_setsadbkey(p, ep, SADB_EXT_KEY_ENCRYPT,
p = pfkey_setsadbkey(p, ep, SADB_EXT_KEY_AUTH,
static caddr_t pfkey_setsadbkey(caddr_t, caddr_t, u_int, caddr_t, u_int);