SSL_stream_conclude
if (!SSL_stream_conclude(user_data->con, 0))
if (SSL_stream_conclude(conn, 0) != 1) {
__owur int SSL_stream_conclude(SSL *ssl, uint64_t flags);
if (!SSL_stream_conclude(stream, 0))
if (!TEST_true(SSL_stream_conclude(c_ssl, 0)))
if (!TEST_true(SSL_stream_conclude(c_tgt, 0)))
if (!TEST_true(SSL_stream_conclude(c_ssl, 0)))
if (!TEST_true(SSL_stream_conclude(ssl, 0)))