appear.
A full list of variables can be found in the "<a href="Typemaps.html#Typemaps">Typemaps</a>" chapter.
This is a list of the most common variables:
</p>

<p>
<tt>$1</tt>
</p>

<div class="indent">
A C local variable corresponding to the actual type specified in the
<tt>%typemap</tt> directive.  For input values, this is a C local variable
that's supposed to hold an argument value.  For output values, this is
the raw result that's supposed to be returned to Tcl.
</div>

<p>
<tt>$input</tt>
</p>

<div 