</a>
</h3></div></div></div>
<p>
        In this section, <span class="emphasis"><em>synchronous socket operations</em></span> are those
        member functions specified as two overloads, with and without an argument
        of type <code class="computeroutput">error_code&amp;</code>:
      </p>
<pre class="programlisting"><span class="bold"><strong><span class="emphasis"><em>R f</em></span></strong></span>(<span class="emphasis"><em><span class="bold"><strong>A1</strong></span></em></span> a1, <span clas