 class="bold"><strong>at_mark</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Determine whether the socket is at the out-of-band data mark.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="basic_socket/available.html" title="basic_socket::available"><span class="bold"><strong>available</strong></span></a>
                </p>
              </td>
<td>
                <p>
               