SSL_OP_COOKIE_EXCHANGE
SSL_set_options(s, SSL_OP_COOKIE_EXCHANGE);
(SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE))
if (SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE) {
if ((SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE) &&
.ssl_options = SSL_OP_COOKIE_EXCHANGE,
.ssl_options = SSL_OP_COOKIE_EXCHANGE,
SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);