SSL_set_info_callback
void SSL_set_info_callback(SSL *ssl,
SSL_set_info_callback(ret, SSL_get_info_callback(s));
SSL_set_info_callback(clientssl, cert_comp_info_cb);
SSL_set_info_callback(serverssl, cert_comp_info_cb);
SSL_set_info_callback(server.ssl, &info_cb);
SSL_set_info_callback(client.ssl, &info_cb);
SSL_set_info_callback((tst % 2) == 0 ? serverssl : clientssl,
SSL_set_info_callback(ssl, info_cb);