Class</span> <span class="identifier">function2</span><span class="special">(</span><span class="keyword">double</span><span class="special">,</span><span class="keyword">short</span> <span class="special">*);</span>
  <span class="special">};</span>
<span class="keyword">struct</span> <span class="identifier">Top2</span>
  <span class="special">{</span>
  <span class="keyword">long</span> <span class="identifier">function2</span><span class="special">(</span><span class="identifier">Top</span> <span class=