1#ifndef WIN32_LEAN_AND_MEAN
2#define WIN32_LEAN_AND_MEAN
3#endif
4#undef __CRT__NO_INLINE
5#define __CRT__NO_INLINE
6#include <winsock2.h>
7#include <ws2tcpip.h>
8
9#undef IN6_IS_ADDR_MULTICAST
10#define IN6_IS_ADDR_MULTICAST(a) ( (a)->s6_bytes[0] == 0xff )
11
12int IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *a)
13{
14 return IN6_IS_ADDR_MULTICAST(a) &&
15 ((a->s6_bytes[1] & 0xf) == 1);
16}