eyword">const</span> <span class="identifier">b</span> <span class="special">=</span> <span class="identifier">buffer</span><span class="special">.</span><span class="identifier">prepare</span><span class="special">(</span><span class="number">1024</span><span class="special">);</span>

                <span class="comment">// Try to get more from the istream. This might block.</span>
                <span class="identifier">is</span><span class="special">.</span><span class="identifier">read</span><span cl