Symbol: tty_try_colour
usr.bin/tmux/tty.c
2731
if (tty_try_colour(tty, gc->fg, "38") == 0)
usr.bin/tmux/tty.c
2763
if (tty_try_colour(tty, gc->bg, "48") == 0)
usr.bin/tmux/tty.c
41
static int tty_try_colour(struct tty *, int, const char *);