#ifndef _FILE_DATA_IO#define _FILE_DATA_IO#include <DataIO.h>#include <File.h>class FileDataIO : public BDataIO{public:FileDataIO(const char *filepath, uint32 open_mode);~FileDataIO();ssize_t Read(void *buffer, size_t size);ssize_t Write(const void *buffer, size_t size);private:BFile *file;};#endif