lass="special">;</span>
    <span class="keyword">do</span>
    <span class="special">{</span>
        <span class="keyword">char</span> <span class="identifier">buf</span><span class="special">[</span><span class="number">4096</span><span class="special">];</span>
        <span class="keyword">auto</span> <span class="keyword">const</span> <span class="identifier">nread</span> <span class="special">=</span> <span class="identifier">f</span><span class="special">.</span><span class="identifier">read</span><