IPSET_CB_PRIVATE
cb->args[IPSET_CB_PRIVATE] = (unsigned long)t;
} else if (cb->args[IPSET_CB_PRIVATE]) {
t = (struct htable *)cb->args[IPSET_CB_PRIVATE];
cb->args[IPSET_CB_PRIVATE] = 0;
t = (const struct htable *)cb->args[IPSET_CB_PRIVATE];