on is called:

<p>
<b><tt>void Swig_init_args(int argc, char **argv_)</tt></b>

<blockquote>
Registers command line options with the SWIG core.  This creates an internal array that is used by other
functions to mark whether or not a particular command line option was used.  This is ultimately used to issue error messages about unused or unknown command line options.   This function is currently invoked in the SWIG main() function that is found in <tt>Source/Modules/swigmain.cxx</tt>.
</blockquote>

<h2>Argu