ringmask          917 dev/ic/z8530tty.c 	register int cc, put, put_next, ringmask;
ringmask          923 dev/ic/z8530tty.c 	ringmask = zst->zst_ringmask;
ringmask          943 dev/ic/z8530tty.c 	put_next = (put + 1) & ringmask;
ringmask         1125 dev/ic/z8530tty.c 	int ringmask, overrun;
ringmask         1132 dev/ic/z8530tty.c 	ringmask = zst->zst_ringmask;
ringmask         1151 dev/ic/z8530tty.c 		get = (get + 1) & ringmask;