 class="identifier">fd</span> <span class="special">)</span>
      <span class="special">:</span> <span class="identifier">sbuffer</span><span class="special">(</span> <span class="identifier">fd</span> <span class="special">)</span> <span class="special">{}</span>
<span class="special">};</span>

<span class="keyword">class</span> <span class="identifier">fdostream</span>
  <span class="special">:</span> <span class="keyword">private</span> <span class="identifier">fdostream_pbase</span>
  <span class="spe