<span class="identifier">total_bytes_transferred_</span> <span class="special">+=</span> <span class="identifier">ec</span> <span class="special">?</span> <span class="number">0</span> <span class="special">:</span> <span class="identifier">n</span><span class="special">;</span>

        <span class="comment">// Retry operation immediately if interrupted by signal.</span>
        <span class="keyword">if</span> <span class="special">(</span><span class="identifier">ec</span> <span class="special">==</span> 