b25-33"><a href="flocking.html#cb25-33"></a></span>
<span id="cb25-34"><a href="flocking.html#cb25-34"></a>    printf<span class="op">(</span><span class="st">&quot;got lock</span><span class="sc">\n</span><span class="st">&quot;</span><span class="op">);</span></span>
<span id="cb25-35"><a href="flocking.html#cb25-35"></a>    printf<span class="op">(</span><span class="st">&quot;Press &lt;RETURN&gt; to release lock: &quot;</span><span class="op">);</span></span>
<span id="cb25-36"><a href="flocking.html#cb