zst_rbhiwat       132 dev/ic/z8530tty.c 	int	zst_rbhiwat;
zst_rbhiwat       264 dev/ic/z8530tty.c 	zst->zst_rbhiwat =  zstty_rbuf_size;	/* impossible value */
zst_rbhiwat       763 dev/ic/z8530tty.c 		zst->zst_rbhiwat = zstty_rbuf_hiwat;
zst_rbhiwat       766 dev/ic/z8530tty.c 		zst->zst_rbhiwat = zstty_rbuf_size; /* impossible value */
zst_rbhiwat       967 dev/ic/z8530tty.c 	if ((cc > zst->zst_rbhiwat) && (zst->zst_rx_blocked == 0)) {