/* This variant does not treat control characters specially.  */
static void echo_char_raw(unsigned char c, struct n_tty_data *ldata)
/* This variant does not treat control characters specially.  */
static void echo_char_raw(unsigned char c, struct n_tty_data *ldata)
{
    if (c == ECHO_OP_START)
    {
        add_echo_byte(ECHO_OP_START, ldata);
        add_echo_byte(ECHO_OP_START, ldata);
    }
    else
    {
        add_echo_byte(c, ldata);
    }
}