TLS_GET_RECORD_TYPE
cerr = put_cmsg(msg, SOL_TLS, TLS_GET_RECORD_TYPE,
if (cmsg->cmsg_type != TLS_GET_RECORD_TYPE)
err = put_cmsg(msg, SOL_TLS, TLS_GET_RECORD_TYPE,
EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);