n optional flag, an optional field width, and followed by one or
    two conversion characters.</p>

<p>The conversion characters and their meanings are:</p>

<ul>
<li><code class="code">d</code>: reads an optionally signed decimal integer (<code class="code">0-9</code>+).</li>
<li><code class="code">i</code>: reads an optionally signed integer
      (usual input conventions for decimal (<code class="code">0-9</code>+), hexadecimal
       (<code class="code">0x[0-9a-f]+</code> and <code class="code">0<span 