#ifndef _FSTREAM_
#define _FSTREAM_

#include <istream>
#include <ostream>

namespace std
{
class ifstream : public istream
{
private:
   int a;
public:
   ifstream(const char*);
};

class ofstream : public ostream
{
private:
   int a;
public:
   ofstream(const char*);
};
}

#endif