r">array</span><span class="special">&lt;</span><span class="keyword">char</span><span class="special">,</span> <span class="number">1</span><span class="special">&gt;</span> <span class="identifier">send_buf</span>  <span class="special">=</span> <span class="special">{{</span> <span class="number">0</span> <span class="special">}};</span>
    <span class="identifier">socket</span><span class="special">.</span><span class="identifier">send_to</span><span class="special">(</span><span class="identifier">boo