program to enter the name and email of students using link list

#include<iostream.h>
#include<conio.h>
#include<stdio.h>
class student
{
 int roll,fee;
 char name[20],email[20];
 public:
 void getdata();
 void show();
};
 void student::getdata()
  {
    cout<<"enter roll no. "<<endl;
    cin>>roll;
    cout<<"enter name  "<<endl;
    gets(name);
    cout<<"Enter email "<<endl;
    gets(email);
    cout<<"Enter fee "<<endl;
    cin>>fee;
  }
 void student::show()
  {
   cout<<"roll num" << roll<<endl;
   cout<<"name is "<<name<<endl;
   cout<<"email "<<email<<endl;
   cout<<"fee "<<fee<<endl;
  }
 struct node
{
 student info;
 node *link;
};

  class linkedlist
   {
    node *start;
    public:
    linkedlist()
    {
     start=NULL;
    }
    void insertbeg(student);
    void display();
   };

     void linkedlist::insertbeg(student a)
     {
       node *p=new node;
       p->info=a;
       p->link=start;
       start=p;
     }
     void linkedlist:: display()
      {
       node *p=start;
       student n;
       while(p!=NULL)
    {
     n=p->info;
     n.show();
     p=p->link;
     cout<<endl<<endl;
    }
      }

 void main()
  {
   clrscr();
   student m1,m2,m3;
   m1.getdata();
   m2.getdata();
   m3.getdata();
   linkedlist l1;
   l1.insertbeg(m1);
   l1.insertbeg(m2);
   l1.insertbeg(m3);
   cout<<endl<<endl<<endl;
   l1.display();
   getch();
  }