DWORD WNetGetLastError(
  LPDWORD lpError,     // error code
  LPTSTR lpErrorBuf,   // error description buffer
  DWORD nErrorBufSize, // size of description buffer
  LPTSTR lpNameBuf,    // buffer for provider name
  DWORD nNameBufSize   // size of provider name buffer
);
 

 
DECLARE INTEGER WNetGetLastError IN mpr;
    INTEGER @ lpError,;
    STRING  @ lpErrorBuf,;
    INTEGER   nErrorBufSize,;
    STRING  @ lpNameBuf,;
    INTEGER   nNameBufSize