[DllImport("AAK_LIB.dll", CallingConvention = CallingConvention.Cdecl)]
        public unsafe static extern long _GetEthernetFrame(short** pFrame, long* pLost);

[DllImport("AAK_LIB.dll", CallingConvention = CallingConvention.Cdecl)]
        public unsafe static extern bool _GetStatus(long &PPU, long &VPO);