6 void display_throughput(struct progress
*progress
, off_t total
);
7 int display_progress(struct progress
*progress
, unsigned n
);
8 struct progress
*start_progress(const char *title
, unsigned total
);
9 struct progress
*start_progress_delay(const char *title
, unsigned total
,
10 unsigned percent_treshold
, unsigned delay
);
11 void stop_progress(struct progress
**progress
);
12 void stop_progress_msg(struct progress
**progress
, const char *msg
);