SSL_get_shared_ciphers
if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
p = SSL_get_shared_ciphers(con, buf, bufsize);
__owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
if (!TEST_ptr(SSL_get_shared_ciphers(serverssl, buf, sizeof(buf)))