sbi 287 kern/tty_subr.c int sby, sbi, eby, ebi; sbi 297 kern/tty_subr.c sbi = off % NBBY; sbi 301 kern/tty_subr.c mask = ((1 << (ebi - sbi)) - 1) << sbi; sbi 304 kern/tty_subr.c mask = (1<<sbi) - 1;