in6_nbrinfo
#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
struct in6_nbrinfo *nbi = (struct in6_nbrinfo *)data;
struct in6_nbrinfo *nbi;
static struct in6_nbrinfo *getnbrinfo(struct in6_addr *addr,
struct in6_nbrinfo *nbi;
struct in6_nbrinfo *nbi;
static struct in6_nbrinfo *
static struct in6_nbrinfo nbi;