TYPEMAP
Cyrus_IMAP      T_PTROBJ_SPECIAL

INPUT
T_PTROBJ_SPECIAL
        if (sv_derived_from($arg, \"${(my $ntt=$ntype)=~s/_/::/g;\$ntt}\")) {
                IV tmp = SvIV((SV*)SvRV($arg));
                $var = ($type) tmp;
        } else {
                croak(\"$var is not of type ${(my $ntt=$ntype)=~s/_/::/g;\$ntt}\");
        }

OUTPUT
T_PTROBJ_SPECIAL
        sv_setref_pv($arg, \"${(my $ntt=$ntype)=~s/_/::/g;\$ntt}\", (void *) $var);
