nd?
      </p>
    </blockquote>
    <p>
      To get a complete picture of what we have so far, let us also wrap this
      parser inside a function:
    </p>
    
<pre><code><font color="#000000">    </font></code><code><font color="#000000"><span class=
"keyword">bool
</span> <span class="identifier">   parse_numbers</span><span class=
"special">(</span><span class="keyword">char</span> <span class=
"keyword">const</span><span class="special">*</span> <span class=
"identifier">str</span><span class="spec