setPosition       117 shell/File.h   		virtual bool setPosition(int64_t pos) = 0;
setPosition        71 shell/FileInputStream.cpp 		file->setPosition(offset);
setPosition        56 shell/PosixFile.h 		virtual bool setPosition(int64_t pos);
setPosition        56 shell/WinFile.h 		virtual bool setPosition(int64_t pos);