-struct lttng_ust_channel_buffer *lttng_ust_alloc_channel_buffer(void)
- __attribute__((visibility("hidden")));
-
-void lttng_ust_free_channel_common(struct lttng_ust_channel_common *chan)
- __attribute__((visibility("hidden")));
-
-int lttng_ust_interpret_event_filter(struct lttng_ust_event_common *event,