           <span class="comment">// this will be less than the sum</span>
                                          <span class="comment">// of the buffer sizes.</span>
<span class="special">);</span>
</pre>
<p>
                Regardless of whether the asynchronous operation completes immediately
                or not, the handler will not be invoked from within this function.
                Invocation of the handler will be performed in a manner equivalent
                to using <code class="computero