message: Add IFF_* Flags
  IFF Flags: IFF_UP, IFF_BROADCAST, IFF_LOOPBACK, IFF_POINTTOPOINT, IFF_MULTICAST
diff: @@ -77,3 +77,10 @@ STRUCT!{struct SOCKADDR_IN6_LH {
  u: SOCKADDR_IN6_LH_u,
  }}
  pub type PSOCKADDR_IN6_LH = *mut SOCKADDR_IN6_LH;
  +
  +pub const IFF_UP: ULONG = 0x00000001;
  +pub const IFF_BROADCAST: ULONG = 0x00000002;
  +pub const IFF_LOOPBACK: ULONG = 0x00000004;
  +pub const IFF_POINTTOPOINT: ULONG = 0x00000008;
  +pub const IFF_POINTOPOINT: ULONG = IFF_POINTTOPOINT;
  +pub const IFF_MULTICAST: ULONG = 0x00000010;
  