
        </h6>
<pre class="programlisting"><span class="keyword">using</span> <span class="identifier">mutable_buffers_type</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">array</span><span class="special">&lt;</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">mutable_buffer</span><span class="special">,</span> <