de">n</code> from the source of characters <code class="code">ic</code> and returns <code class="code">f&nbsp;n</code>.</p>

<p>For instance,</p>

<ul>
<li>if we use <code class="code">stdin</code> as the source of characters (<a href="Scanf.Scanning.html#VALstdin"><code class="code"><span class="constructor">Scanf</span>.<span class="constructor">Scanning</span>.stdin</code></a> is
    the predefined formatted input channel that reads from standard input),</li>
</ul>
<ul>
<li>if we define the receiver <cod