special">(</span><span class="identifier">io_service</span><span class="special">);</span>
<span class="special">...</span>
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">socket_base</span><span class="special">::</span><span class="identifier">receive_buffer_size</span> <span class="identifier">option</span><span class="special">;</span>
<span class="identifier">socket</span><span class="special