in_snip6
frnat.fin_src6 = np->in_snip6;
ip6->ip6_src = np->in_snip6.in6;
st_ip = np->in_snip6;
IP6_INC(&np->in_snip6);
IP6_INC(&np->in_snip6)
IP6_INC(&np->in_snip6);
np->in_snip6 = np->in_nsrcip6;
a1 = np->in_snip6;
IP6_ADD(&np->in_nsrcip6, 1, &np->in_snip6);
(!IP6_ISZERO(&np->in_snip6) &&
IP6_EQ(&st_ip, &np->in_snip6))) {
ipn->in_snip6 = nat->nat_odst6;
ipn->in_snip6 = nat->nat_odst6;
ipn->in_snip6 = nat->nat_nsrc6;
ipn->in_snip6 = nat->nat_odst6;
ipn->in_snip6 = nat->nat_odst6;