           , executeNoMatch    }</li>
<li class="new">   };</li>
<li class="new">   const COMMAND *cmd;</li>
<li class="new">   for (cmd = commands; !matchCommand(input, cmd-&gt;pattern); cmd++);</li>
<li class="new">   return (*cmd-&gt;function)();</li>
<li class="new">}</li>
</ol>
</td>
</tr></table>
<div class="explanation">
<p>
Explanation:
</p>
<ul>
<li>Line 1:
from <a href="http://en.wikipedia.org/wiki/Ctype.h">ctype.h</a>,
we will be using <i>isspace</i> (line 26),
which provides a more complete
<a h