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    /* The SV holding the pointer to the actual object is hidden away 
+in the interpreter.  Users aren't supposed to be able to get at it. *
+/
    SV* theObjRef = newSV(0);
...
        // If a "name".pm is in the @INC path, try to load it up.
        //        eval_pv(std::string(std::string("eval qq{ use ") + n
+ame + "}").c_str(), true);
    }

    sv_setsv(SvRV(svrep.sv), Nullsv);

RETVAL = newRV_inc(lobj);

RETVAL = SvOK(SvRV(lobj));

TYPEMAP
PClass*                CPP_OBJECT
...
INPUT
CPP_OBJECT
     $var = ($type) SvIV(SvRV((SV*)SvRV($arg)));

bool
PClass::some_func()
...
    RETVAL = THIS->someCppFunc();
    OUTPUT:
    RETVAL