n&nbsp;<span class="string">"%d"</span>&nbsp;f</code>, and then enter <code class="code">41</code> at the
    keyboard, the result we get is <code class="code">42</code>.</p>
<h3 id="2_Formattedinputasafunctionalfeature">Formatted input as a functional feature</h3><p>The OCaml scanning facility is reminiscent of the corresponding C feature.
    However, it is also largely different, simpler, and yet more powerful:
    the formatted input functions are higher-order functionals and the
    parameter passing m