href="flocking.html#cb25-3"></a><span class="pp">#include </span><span class="im">&lt;errno.h&gt;</span></span>
<span id="cb25-4"><a href="flocking.html#cb25-4"></a><span class="pp">#include </span><span class="im">&lt;fcntl.h&gt;</span></span>
<span id="cb25-5"><a href="flocking.html#cb25-5"></a><span class="pp">#include </span><span class="im">&lt;unistd.h&gt;</span></span>
<span id="cb25-6"><a href="flocking.html#cb25-6"></a></span>
<span id="cb25-7"><a href="flocking.html#cb25-7"></a><span class="dt">in