first_name</span><span class="special">;</span>
  <span class="identifier">string</span> <span class="identifier">last_name</span><span class="special">;</span>
<span class="special">};</span>

<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">birth_size</span> <span class="special">=</span> <span class="keyword">sizeof</span><span class="special">(</span><span class="identifier">time_t</span><span class="special">);</span>
<span