writer_event_class = get_event_class(debug_it,
writer_stream_class, event_class);
if (!writer_event_class) {
writer_event_class = ctf_copy_event_class(debug_it->err,
writer_event_class = get_event_class(debug_it,
writer_stream_class, event_class);
if (!writer_event_class) {
writer_event_class = ctf_copy_event_class(debug_it->err,