int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
unsigned long *off);
void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
unsigned long *off);
void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);