int int_ret;
const bt_stream_class *stream_class = NULL,
*writer_stream_class = NULL;
int int_ret;
const bt_stream_class *stream_class = NULL,
*writer_stream_class = NULL;
const bt_stream_class *writer_stream_class = NULL;
const bt_trace *trace, *writer_trace = NULL;
struct debug_info_trace *di_trace;
const bt_stream_class *writer_stream_class = NULL;
const bt_trace *trace, *writer_trace = NULL;
struct debug_info_trace *di_trace;