fr_statesync
fr_statesync(IPFSYNC_RESYNC, 0, NULL, NULL, ifs);
fr_statesync(IPFSYNC_NEWIFP, 4, (void *)hn->hne_nic,
fr_statesync(IPFSYNC_OLDIFP, 4, (void *)hn->hne_nic, NULL, ifs);
fr_statesync(IPFSYNC_NEWIFP, 6, (void *)hn->hne_nic,
fr_statesync(IPFSYNC_OLDIFP, 6, (void *)hn->hne_nic, NULL, ifs);
extern void fr_statesync __P((int, int, void *, char *, ipf_stack_t *));