ipf_nat6_add
nat2 = ipf_nat6_add(&fi, ipn, &ftp->ftp_pendnat, flags,
nat2 = ipf_nat6_add(&fi, ipn, &ftp->ftp_pendnat,
extern nat_t *ipf_nat6_add(fr_info_t *, ipnat_t *, nat_t **,
nat = ipf_nat6_add(fin, np, NULL, nflags, NAT_OUTBOUND);
nat = ipf_nat6_add(fin, np, NULL, nflags, NAT_INBOUND);
nat2 = ipf_nat6_add(&fi, rc->rcmd_rule, NULL, nflags,
nat2 = ipf_nat6_add(&fi, ti->ti_rule, NULL, nflags, dir);