t_socket.at_mark.overload1.h0"></a>
            <span class="phrase"><a name="boost_asio.reference.basic_seq_packet_socket.at_mark.overload1.return_value"></a></span><a class="link" href="overload1.html#boost_asio.reference.basic_seq_packet_socket.at_mark.overload1.return_value">Return
            Value</a>
          </h6>
<p>
            A bool indicating whether the socket is at the out-of-band data mark.
          </p>
<h6>
<a name="boost_asio.reference.basic_seq_packet_socket.at_mark.overload1.h1"></a>
