pfil_add_hook
V_dmb_pfil_inet_hook = pfil_add_hook(&pha);
V_dmb_pfil_inet6_hook = pfil_add_hook(&pha);
V_dmb_pfil_ethernet_hook = pfil_add_hook(&pha);
pfil_hook_t pfil_add_hook(struct pfil_hook_args *);
V_siftr_inet_hook = pfil_add_hook(&pha);
V_siftr_inet6_hook = pfil_add_hook(&pha);
V_ipf_inet_hook = pfil_add_hook(&pha);
V_ipf_inet6_hook = pfil_add_hook(&pha);
*h = pfil_add_hook(&pha);
V_pf_eth_in_hook = pfil_add_hook(&pha);
V_pf_eth_out_hook = pfil_add_hook(&pha);
V_pf_ip4_in_hook = pfil_add_hook(&pha);
V_pf_ip4_out_hook = pfil_add_hook(&pha);
V_pf_ip6_in_hook = pfil_add_hook(&pha);
V_pf_ip6_out_hook = pfil_add_hook(&pha);