* bt_ctf_writer_get and bt_ctf_writer_put: increment and decrement the
* writer's reference count.
*
+ * You may also use bt_ctf_get() and bt_ctf_put() with writer objects.
+ *
* These functions ensure that the writer won't be destroyed while it
* is in use. The same number of get and put (plus one extra put to
* release the initial reference done at creation) have to be done to