extern void sweep(void);
extern char *read_config_line(char *buf, int buflen, FILE *fp, struct file_list *fs);
extern int check_file_changed(const struct file_list * current,
extern void sweep(void);
extern char *read_config_line(char *buf, int buflen, FILE *fp, struct file_list *fs);
extern int check_file_changed(const struct file_list * current,