TTYC_RIN
[TTYC_RIN] = { TTYCODE_STRING, "rin" },
!tty_term_has(tty->term, TTYC_RIN)) ||
tty_putcode_i(tty, TTYC_RIN, 1);
!tty_term_has(tty->term, TTYC_RIN)) ||
if (tty_term_has(tty->term, TTYC_RIN))
tty_putcode_i(tty, TTYC_RIN, ctx->num);