/* snapfile.tlcc 09/10/2009 12.12.18 */
inline bool testbit (unsigned *bitmap, unsigned pos);
inline void setbit (unsigned *bitmap, unsigned pos);
int snapfile_getnewrev (const char *dir);
int snapfile_load (const char *dir);
SNAPFILE *snapfile_find (const char *branch);
SNAPFILE *snapfile_find_from_rev (int rev);
int snapfile_diff (int revfrom, int revto, int tofd);
int snapfile_diff (unsigned long long from_utime,
	 unsigned long long from_events,
	 unsigned long long to_utime,
	 unsigned long long to_events,
	 int tofd);