cbtocylno 1393 ufs/ffs/ffs_alloc.c cylno = cbtocylno(fs, bno); cbtocylno 1738 ufs/ffs/ffs_alloc.c i = cbtocylno(fs, bno); cbtocylno 1784 ufs/ffs/ffs_alloc.c i = cbtocylno(fs, bbase);