DsCrackSpn

function DsCrackSpn(

  pszSpn: LPCTSTR;

  pcServiceClass: LPDWORD;

  ServiceClass: LPTSTR;

  pcServiceName: LPDWORD;

  ServiceName: LPTSTR;

  pcInstanceName: LPDWORD;

  InstanceName: LPTSTR;

  pInstancePort: PUSHORT

):DWORD;