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);