SSL_get0_peer_signature_name
if (SSL_get0_peer_signature_name(s, &sigalg))
if (SSL_get0_peer_signature_name(s, &sigalg))
if (SSL_get0_peer_signature_name(s, &name))
|| !TEST_true(SSL_get0_peer_signature_name(clientssl, &sigalg_name))
if (!TEST_true(SSL_get0_peer_signature_name(clientssl, &sigalg_name))