lign=top>
  <td><code>--helppackage</code></td>
  <td>shows flags defined in files in same directory as <code>main()</code></td>
</tr><tr valign=top>
  <td><code>--version</code></td>
  <td>prints version info for the executable</td>
</tr></table>

<p>Second are the flags that affect how other flags are parsed.</p>

<table><tr valign=top>
  <td><code>--undefok=flagname,flagname,...</code></td>
  <td>for those names listed as the argument to <code>--undefok</code>,
      suppress the normal error-exit that o