ebi               287 kern/tty_subr.c 	int sby, sbi, eby, ebi;
ebi               299 kern/tty_subr.c 	ebi = (off+len) % NBBY;
ebi               301 kern/tty_subr.c 		mask = ((1 << (ebi - sbi)) - 1) << sbi;
ebi               307 kern/tty_subr.c 		mask = (1<<ebi) - 1;