TYPEMAP

const char *		T_PV
const void *		T_PV
int *			T_PV
void **			T_PACKED

SV **			T_SV

DrakXGtk::Widget		DrakXGtkWidget

INPUT
DrakXGtkWidget
	$var = ($type) SvIV((SV*)SvRV($arg))

OUTPUT
DrakXGtkWidget
	sv_setref_pv($arg, "DrakXGtk::Widget", (void*) $var);
