typedef void (*TFeedBackFunc) (BYTE);
typedef void (*TCharFunc) (char*);
extern "C" __declspec(dllexport) void CancelOps (void);
extern "C" __declspec(dllexport) void InitFeedback (TFeedBackFunc lpOnProgress, TCharFunc lpOnFile);
extern "C" __declspec(dllexport) void ExtractArchive (char *lpPathName);
extern "C" __declspec(dllexport) void OpenArchive (char *lpFileName);
extern "C" __declspec(dllexport) void AddFilesToExtract (char *lpFileMask);