   <a class="link" href="../basic_raw_socket/bytes_readable.html" title="basic_raw_socket::bytes_readable"><span class="bold"><strong>bytes_readable</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    IO control command to get the amount of data that can be read
                    without blocking.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="../basic_raw_socket/debug.