Help me convert this stuck to class program

[lo0lo0999]

/* I write this pro in single linked list useing stuck how i convert it to class..



#include <cstdlib>
#include <iostream>
#include <string>
#include <sstream>


using namespace std;
struct studentinfo
{
string FName;
string LName;
int no;
int age;
struct studentinfo *next;
}
*head=NULL;


void add_studentinfo(int s);
void print_list();


int main(int argc, char *argv[])
{
int studentNo=0;
char choice;
do
{
add_studentinfo(studentNo);
cout << endl << "Do you want to add another student : (Y/N) ";
cin >> choice;
choice=toupper(choice);
studentNo++;
}
while(choice=='Y');
print_list();
system("PAUSE");
return EXIT_SUCCESS;
}
void add_studentinfo(int s)
{
struct studentinfo *temp=new struct studentinfo;
cout <<"\n Student first name: ";
cin >> temp->FName;
cout <<"Student last name: ";
cin >> temp->LName;
cout <<"Student age: ";
cin>>temp->age;
temp->no=s;


if (head==NULL)
{
temp->next=head;
head=temp;
}
else
{
struct studentinfo *temp1=new struct studentinfo;
temp1=head;
while (temp1->next!=NULL) {
temp1=temp1->next;
}



temp->next=NULL;
temp1->next=temp;
head=temp;
}
}


void print_list()
{
struct studentinfo *temp=new struct studentinfo;
temp=head;
while (temp !=NULL)
{
cout << "\n\n Student name: " << temp->FName << " " << temp->LName;
cout << "\nStudent no:   " << temp->no;
cout << "\nStudent age:  " << temp->age;
cout << endl << "--" << endl;
temp=temp->next;
}
cout << endl;
}

[thines01]

1) Make a backup copy of your program.
2) Change the word "struct" to the word "class"
3) Attempt to compile.

Once the errors are fixed, you will understand.