// microseconds.
synchronizable *clone_object(const structures::string_array &classifier);
- // returns a clone of the object listed for "classifier" or NIL if there
- // are none matching. the returned object must be destroyed if non-NIL.
+ // returns a clone of the object listed for "classifier" or NULL_POINTER if there
+ // are none matching. the returned object must be destroyed if non-null.
bool zap(const structures::string_array &classifier);
// returns true if we were able to find and remove the item held under