SR_API int sr_output_send(const struct sr_output *o,
const struct sr_datafeed_packet *packet, GString **out);
SR_API int sr_output_free(const struct sr_output *o);
SR_API int sr_output_send(const struct sr_output *o,
const struct sr_datafeed_packet *packet, GString **out);
SR_API int sr_output_free(const struct sr_output *o);