s it. We're done with defining the parser. So the next step is now
      invoking this parser to do its work. There are a couple of ways to do
      this. For now, we shall use the free <tt>parse</tt> function that takes
      in a <tt>char const*</tt>. The function accepts three arguments:
    </p>
    <blockquote>
      <p>
        <img src="theme/bullet.gif" width="12" height="12"> The null-terminated
        <tt>const char*</tt> input<br>
         <img src="theme/bullet.gif" width="12" height="12"> The 