for (struct nlmsghdr *nh = (struct nlmsghdr*)buf; NLMSG_OK(nh, (size_t)len);
nh = NLMSG_NEXT(nh, len)) {
struct ifaddrmsg *ifa = NLMSG_DATA(nh);
struct in6_addr *addr = NULL;
if (NLMSG_PAYLOAD(nh, 0) < sizeof(*ifa) || ifa->ifa_index != if_index ||
(nh->nlmsg_type == RTM_NEWADDR && !(ifa->ifa_flags & IFA_F_DADFAILED)) ||
for (struct nlmsghdr *nh = (struct nlmsghdr*)buf; NLMSG_OK(nh, (size_t)len);
nh = NLMSG_NEXT(nh, len)) {
struct ifaddrmsg *ifa = NLMSG_DATA(nh);
struct in6_addr *addr = NULL;
if (NLMSG_PAYLOAD(nh, 0) < sizeof(*ifa) || ifa->ifa_index != if_index ||
(nh->nlmsg_type == RTM_NEWADDR && !(ifa->ifa_flags & IFA_F_DADFAILED)) ||