#ifndef PROGRESS_H
#define PROGRESS_H
-int valid_progress_implementation_p (const char *);
+bool valid_progress_implementation_p (const char *);
void set_progress_implementation (const char *);
void progress_schedule_redirect (void);
void *progress_create (wgint, wgint);
-int progress_interactive_p (void *);
+bool progress_interactive_p (void *);
void progress_update (void *, wgint, double);
void progress_finish (void *, double);