542     inst->in_class = (PyClassObject *)klass;  in PyInstance_NewRaw()
679         Py_DECREF(inst->in_class);  in instance_dealloc()
730             Py_INCREF(inst->in_class);  in instance_getattr1()
731             return (PyObject *)inst->in_class;  in instance_getattr1()
738                      PyString_AS_STRING(inst->in_class->cl_name), sname);  in instance_getattr1()
755     v = class_lookup(inst->in_class, name, &klass);  in instance_getattr2()
761                             (PyObject *)(inst->in_class));  in instance_getattr2()
774     if (res == NULL && (func = inst->in_class->cl_getattr) != NULL) {  in instance_getattr()
805         v = class_lookup(inst->in_class, name, &klass);  in _PyInstance_Lookup()
817                          PyString_AS_STRING(inst->in_class->cl_name),  in instance_setattr1()
868                 tmp = (PyObject *)(inst->in_class);  in instance_setattr()
870                 inst->in_class = (PyClassObject *)v;  in instance_setattr()
877         func = inst->in_class->cl_delattr;  in instance_setattr()
879         func = inst->in_class->cl_setattr;  in instance_setattr()
915         classname = inst->in_class->cl_name;  in instance_repr()
916         mod = PyDict_GetItemString(inst->in_class->cl_dict,  in instance_repr()
1027     Py_VISIT(o->in_class);  in instance_traverse()
2002     if (((PyInstanceObject *)v)->in_class->cl_getattr == NULL)  in half_richcompare()
2137                      PyString_AsString(inst->in_class->cl_name));  in instance_call()