-typedef void (*source_callback_remove) (int fd);
-typedef void (*source_callback_add) (int fd, int events, int timeout,
- receive_data_callback callback, void *user_data);
-typedef void (*datafeed_callback) (struct sr_device *device,
- struct sr_datafeed_packet *packet);
+typedef void (*sr_datafeed_callback) (struct sr_device *device,
+ struct sr_datafeed_packet *packet);