an>
<span class="identifier">handshake</span><span class="special">(</span>
    <span class="identifier">handshake_type</span> <span class="identifier">type</span><span class="special">,</span>
    <span class="identifier">boost</span><span class="special">::</span><span class="identifier">system</span><span class="special">::</span><span class="identifier">error_code</span><span class="special">&amp;</span> <span class="identifier">ec</span><span class="special">);</span>
</pre>
<h7><a name="beast.ref.boos