ip_pool_s
extern int load_pool(struct ip_pool_s *list, ioctlfunc_t);
extern struct ip_pool_s *printpool(struct ip_pool_s *, copyfunc_t,
extern void printpool_live(struct ip_pool_s *, int,
struct ip_pool_s *ipn_owner;
struct ip_pool_s *ipo_next;
struct ip_pool_s **ipo_pnext;