Header File for File ops program

#include <fstream.h>
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <dos.h>

 void bye()
 {
  for(int i=0;i<=10;i++)
  {
   clrscr();
   delay(100);
   gotoxy(26,12);
   cout<<"Program by Frooster";
   gotoxy(37,13);
   cout<<"Bye";
   delay(100);
  }
 }