from socket_base.</em></span>
        </p>
<p>
          <a class="indexterm" name="idp33113792"></a> 
Socket option to specify whether the socket
          lingers on close if unsent data is present.
        </p>
<pre class="programlisting"><span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <span class="identifier">linger</span><span class="special">;</span>
</pre>
<p>
          Implements the SOL_SOCKET/SO_LINGER socket option.
        </p>
<h6>
<a name="boost_asio