echo_buf          114 drivers/tty/n_tty.c 	unsigned char echo_buf[N_TTY_BUF_SIZE];
echo_buf          149 drivers/tty/n_tty.c 	return ldata->echo_buf[i & (N_TTY_BUF_SIZE - 1)];
echo_buf          154 drivers/tty/n_tty.c 	return &ldata->echo_buf[i & (N_TTY_BUF_SIZE - 1)];
echo_buf          637 drivers/tty/n_tty.c 		c = echo_buf(ldata, tail);
echo_buf          654 drivers/tty/n_tty.c 			op = echo_buf(ldata, tail + 1);
echo_buf          662 drivers/tty/n_tty.c 				num_chars = echo_buf(ldata, tail + 2);
echo_buf          758 drivers/tty/n_tty.c 		if (echo_buf(ldata, tail) == ECHO_OP_START) {
echo_buf          759 drivers/tty/n_tty.c 			if (echo_buf(ldata, tail + 1) == ECHO_OP_ERASE_TAB)