Index: src/ch/task.h
===================================================================
diff -u -N -rbe0bfc152dd5d3b04a5ae32354cb4d8bc37f1109 -r266560162ac9f14f94b48a7c84fee323aa259c0d
--- src/ch/task.h	(.../task.h)	(revision be0bfc152dd5d3b04a5ae32354cb4d8bc37f1109)
+++ src/ch/task.h	(.../task.h)	(revision 266560162ac9f14f94b48a7c84fee323aa259c0d)
@@ -388,8 +388,14 @@
 	static bool SetFileDirectoryTime(LPCTSTR lpszName, const CFileInfoPtr& spFileInfo);
 
 	HANDLE OpenSourceFileFB(const CFileInfoPtr& spSrcFileInfo, bool bNoBuffering);
+	HANDLE OpenDestinationFileFB(const CString& strDstFilePath, bool bNoBuffering);
 
+	bool SetFilePointerFB(HANDLE hFile, long long llDistance, const CString& strFilePath);
+	bool SetEndOfFileFB(HANDLE hFile, const CString& strFilePath);
 
+	bool ReadFileFB(HANDLE hFile, CDataBuffer& rBuffer, DWORD dwToRead, DWORD& rdwBytesRead, const CString& strFilePath);
+	bool WriteFileFB(HANDLE hFile, CDataBuffer& rBuffer, DWORD dwToWrite, DWORD& rdwBytesWritten, const CString& strFilePath);
+
 	// Playground
 /*
 	void CustomCopyFile2(CUSTOM_COPY_PARAMS* / *pData* /);