/* Add an operation to the echo buffer to move back one column.  */
static void echo_move_back_col(struct n_tty_data *ldata)
/* Add an operation to the echo buffer to move back one column.  */
static void echo_move_back_col(struct n_tty_data *ldata)
{
    add_echo_byte(ECHO_OP_START, ldata);
    add_echo_byte(ECHO_OP_MOVE_BACK_COL, ldata);
}