TYPEMAP int128_t T_INT128 uint128_t T_UINT128 INPUT T_INT128 $var = SvI128(aTHX_ $arg); T_UINT128 $var = SvU128(aTHX_ $arg); OUTPUT T_INT128 $arg = newSVi128($var); T_UINT128 $arg = newSVu128($var);