code: func GetDeviceUUID(deviceID int32) string {
  	uuid := C.FSEventsCopyUUIDForDevice(C.dev_t(deviceID))
  	if uuid == nullCFUUIDRef {
  		return ""
  	}
  	return cfStringToGoString(C.CFUUIDCreateString(C.kCFAllocatorDefault, uuid))
  }
docs: // NOTE: The following code is identical between go_1_10_after and go_1_10_before.
  // GetDeviceUUID retrieves the UUID required to identify an EventID
  // in the FSEvents database