Работа с файлами Windows Address Book (*.wab)

HRESULT WINAPI WABOpen(
  LPADRBOOK* lppAdrBook,    // Points to a variable to receive an IAddrBook
  LPUNKNOWN* lppUnk,        // Points to a variable to receive an IUnknown
  DWORD reserved1,        // Reserved. Must be 0
  DWORD reserved2        // Reserved. Must be 0
);

SCODE WINAPI WABCreateIProp(
  LPCIID lpInterface,        // Indicates which interface to return
  ALLOCATEBUFFER FAR* lpAllocateBuffer,    // a pointer to MAPI allocate
  ALLOCATEMORE FAR* lpAllocateMore,    // a pointer to MAPI re-allocate
  FREEBUFFER FAR* lpFreeBuffer,    // a pointer to the MAPI free
  LPVOID lpvReserved,        // reserved
  LPPROPDATA FAR* lppPropData    // A variable to receive an IMAPIPropData
);