COLORS_TRUECOLOR  257 lib/tty/color-ncurses.c     if (!(tty_tigetflag ("RGB", NULL) && COLORS == COLORS_TRUECOLOR))
COLORS_TRUECOLOR  230 lib/tty/color-slang.c     if (!((tty_tigetflag ("RGB", NULL) && tty_tigetnum ("colors", "Co") == COLORS_TRUECOLOR)