IPV6_UNICAST_IF   264 src/resolve/resolved-dns-scope.c                         r = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_IF, &ifindex, sizeof(ifindex));
IPV6_UNICAST_IF   177 src/resolve/resolved-dns-stream.c                         r = setsockopt(s->fd, IPPROTO_IPV6, IPV6_UNICAST_IF, &ifindex, sizeof(ifindex));
IPV6_UNICAST_IF   542 src/shared/missing.h #ifndef IPV6_UNICAST_IF