by                 76 src/vfs/smbfs/helpers/lib/time.c     int by = b->tm_year + (TM_YEAR_BASE - 1);
by                 77 src/vfs/smbfs/helpers/lib/time.c     int intervening_leap_days = (ay / 4 - by / 4) - (ay / 100 - by / 100) + (ay / 400 - by / 400);
by                 78 src/vfs/smbfs/helpers/lib/time.c     int years = ay - by;