TYPEMAP
unsigned int	T_UV
int	T_IV
double	T_NV

INPUT
T_UV
	$var = ($type)SvUV($arg);
T_IV
	$var = ($type)SvIV($arg);
T_NV
	$var = ($type)SvNV($arg);

OUTPUT
T_UV
	sv_setuv($arg, (UV)$var);
T_IV
	sv_setiv($arg, (IV)$var);
T_NV
	sv_setnv($arg, (NV)$var);