- IOHIDManagerRegisterDeviceMatchingCallback( hidManager, add_callback, (void*)self );
- IOHIDManagerRegisterDeviceRemovalCallback(hidManager, remove_callback, (void*) self);
+ IOHIDManagerRegisterDeviceMatchingCallback( hidManager, add_callback, (__bridge void*)self );
+ IOHIDManagerRegisterDeviceRemovalCallback(hidManager, remove_callback, (__bridge void*) self);