TYPEMAP
Qstruct_Definitions      T_PTROBJ_SPECIAL
Qstruct_Builder      T_PTROBJ_SPECIAL
int64_t         T_INT64
uint64_t        T_UINT64
int32_t         T_INT
uint32_t        T_U_INT
int16_t         T_SHORT
uint16_t        T_U_SHORT
int8_t         T_SHORT
uint8_t        T_U_SHORT
## cribbed from perlxstypemap and Math::Int64::C_API::Sample
INPUT
T_PTROBJ_SPECIAL
    if (sv_derived_from($arg, \"${(my $ntt=$ntype)=~s/_/::/g;\$ntt}\")){
            IV tmp = SvIV((SV*)SvRV($arg));
            $var = INT2PTR($type, tmp);
        }
        else
            croak(\"$var is not of type ${(my $ntt=$ntype)=~s/_/::/g;\$ntt}\")
T_INT64
        $var = SvI64($arg);
T_UINT64
        $var = SvU64($arg);
OUTPUT
T_PTROBJ_SPECIAL
    sv_setref_pv($arg, \"${(my $ntt=$ntype)=~s/_/::/g;\$ntt}\",
                              (void*)$var);
T_INT64
        $arg = newSVi64($var);
T_UINT64
        $arg = newSVu64($var);