5.4.38 mysql_get_ssl_session_reused()
bool 
mysql_get_ssl_session_reused(MYSQL *mysql)
          Indicates whether the currently connected session is reusing a
          prior session.
        
          TRUE if a session was reused when
          establishing the TLS connection. FALSE if
          the session is not connected, is not a TLS session, or there
          is insufficient memory.