RL_FLAG_LINK
if ((sc->rl_flags & RL_FLAG_LINK) == 0)
if (!ISSET(sc->rl_flags, RL_FLAG_LINK)) {
sc->rl_flags &= ~RL_FLAG_LINK;
sc->rl_flags &= ~RL_FLAG_LINK;
sc->rl_flags &= ~RL_FLAG_LINK;
sc->rl_flags |= RL_FLAG_LINK;
sc->rl_flags |= RL_FLAG_LINK;