put_next          917 dev/ic/z8530tty.c 	register int cc, put, put_next, ringmask;
put_next          943 dev/ic/z8530tty.c 	put_next = (put + 1) & ringmask;
put_next          946 dev/ic/z8530tty.c 	if (put_next == zst->zst_rbget) {
put_next          950 dev/ic/z8530tty.c 		put = put_next;