long     nErr, nPort;
  AmsAddr  Addr;
  PAmsAddr pAddr = &Addr;

  // Kommunikationsport auf dem ADS Router öffnen
  nPort = AdsPortOpen();
  nErr = AdsGetLocalAddress(pAddr);

  typedef struct {
    AmsNetId        netId;
    USHORT          port;
  } AmsAddr, *PAmsAddr;
  
  typedef struct {
    UCHAR        b[6];
  } AmsNetId, *PAmsNetId;