TTYC_SETRGBF
[TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
if (tty_term_has(term, TTYC_SETRGBF) &&
(!tty_term_has(term, TTYC_SETRGBF) ||
if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
tty_putcode_iii(tty, TTYC_SETRGBF, r, g, b);