PFIL_TYPE_AF
ph_inet = pfil_head_get(PFIL_TYPE_AF, (void *)AF_INET);
ph_inet6 = pfil_head_get(PFIL_TYPE_AF, (void *)AF_INET6);
ph_inet = pfil_head_get(PFIL_TYPE_AF, (void *)AF_INET);
ph_inet6 = pfil_head_get(PFIL_TYPE_AF, (void *)AF_INET6);
npf_ph_inet = pfil_head_get(PFIL_TYPE_AF, (void *)AF_INET);
npf_ph_inet6 = pfil_head_get(PFIL_TYPE_AF, (void *)AF_INET6);
inet_pfil_hook = pfil_head_create(PFIL_TYPE_AF, (void *)AF_INET);
inet6_pfil_hook = pfil_head_create(PFIL_TYPE_AF, (void *)AF_INET6);