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_delayed_progress(const char *title, unsigned total);
10 void stop_progress(struct progress **progress);
11 void stop_progress_msg(struct progress **progress, const char *msg);