SSL_trace
SSL_set_msg_callback(con, SSL_trace);
SSL_set_msg_callback(con, SSL_trace);
SSL_set_msg_callback(con, SSL_trace);
SSL_set_msg_callback(con, SSL_trace);
void SSL_trace(int write_p, int version, int content_type,
SSL_trace(write_p, version, content_type, buf, len, ssl,
SSL_set_msg_callback(*cssl, SSL_trace);
SSL_set_msg_callback(clientquic, SSL_trace);
SSL_set_msg_callback(clientquic, SSL_trace);
SSL_set_msg_callback(clientquic2, SSL_trace);
SSL_set_msg_callback(clientssl, SSL_trace);