C++ class program to illestrate 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();
}