is called once for each tree entry.</p>
</dd>
<dt class="hdlist1"><code>traverse_callback_t</code></dt>
<dd>
<p>The arguments passed to the traverse callback are as follows:</p>
<div class="ulist">
<ul>
<li>
<p><code>n</code> counts the number of trees being traversed.</p>
</li>
<li>
<p><code>mask</code> has its nth bit set if something exists in the nth entry.</p>
</li>
<li>
<p><code>dirmask</code> has its nth bit set if the nth tree&#8217;s entry is a directory.</p>
</li>
<li>
<p><code>entry</code> is an 