DWORD                   T_IV
BOOL			T_IV
HANDLE                  T_PTROBJ

#############################################################################
INPUT
T_PTROBJ
	if (sv_derived_from($arg, \"${Package}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	}
	else
	    croak(\"$var is not of type ${Package}\")
