C++ Program on File Operations

   #include< iostream.h >
   #include< conio.h >
   #include< fstream.h >
   class student
   {
     private:
       int rno;
       char name[10];
       float fees;
     public:
       void getdata()
       {
         cout<<"roll number";
         cin>>rno;
         cout<< endl;
         cout<<"enter name:";
         cin >> name;
         cout<< endl <<"enter fees:";
         cin>>fees;
       }
       void dispdata()
       {
         cout<<"Roll number"<< rno << endl;
         cout<<"Name"<< name << endl;
         cout<<"Fees"<< fees;
       }
   };
   void main()
   {
     student s1;
     clrscr();
     ofstream stdfile("c:\\std.txt");
     //fstream stdfile;
     //stdfile.open("c:\\std.txt",ios::out|ios::in); //open file for output
     char wish;
     //writing to the file
     do
     {
       s1.getdata();
       stdfile.write((char*)& s1,sizeof(student));
       cout << "continue ? y/n";
       cin >> wish;
     }
     while(wish=='y'||wish=='Y');
     stdfile.close(); //close the file
     getch();
   }