extern int lib_ring_buffer_read_cstr(struct lttng_ust_lib_ring_buffer_backend *bufb,
size_t offset, void *dest, size_t len,
struct lttng_ust_shm_handle *handle);
extern int lib_ring_buffer_read_cstr(struct lttng_ust_lib_ring_buffer_backend *bufb,
size_t offset, void *dest, size_t len,
struct lttng_ust_shm_handle *handle);