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)