nat_log
nat_log(nat, logtype, ifs);
nat_log(nat, (u_int)np->in_redir, ifs);
nat_log(clone, (u_int)np->in_redir, ifs);
nat_log(clone, NL_CLONE, ifs);
nat_log(nat, (u_int)np->in_redir, ifs);
nat_log(nat2, (u_int)(nat->nat_ptr->in_redir),
extern void nat_log __P((struct nat *, u_int, ipf_stack_t *));