ns from
non-option arguments.</p>
</dd>
<dt class="hdlist1"><code>PARSE_OPT_STOP_AT_NON_OPTION</code></dt>
<dd>
<p>Usually the whole argument vector is massaged and reordered.
Using this flag, processing is stopped at the first non-option
argument.</p>
</dd>
<dt class="hdlist1"><code>PARSE_OPT_KEEP_ARGV0</code></dt>
<dd>
<p>Keep the first argument, which contains the program name.  It&#8217;s
removed from argv[] by default.</p>
</dd>
<dt class="hdlist1"><code>PARSE_OPT_KEEP_UNKNOWN</code></dt>
<dd>
<p>Keep 