struct trace_descriptor *ctf_text_open_trace(const char *path, int flags,
void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence), FILE *metadata_fp);
struct trace_descriptor *ctf_text_open_trace(const char *path, int flags,
void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence), FILE *metadata_fp);