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 IN6_IS_ADDR_MC_ORGLOCAL(const struct in6_addr * a)12int IN6_IS_ADDR_MC_ORGLOCAL(const struct in6_addr *a) 13 { 14 return IN6_IS_ADDR_MULTICAST(a) && 15 ((a->s6_bytes[1] & 0xf) == 8); 16 } 17