ier">handler</span></code>
                  </p>
                </td>
<td>
                  <p>
                    The handler to be called when the request completes. Copies will
                    be made of the handler as required. The equivalent function signature
                    of the handler must be:
                  </p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"> <span class="keyword">void</span> <span class="identifier">handler</s