highscores header:
#ifndef HIGHSCORE_H_
#define HIGHSCORE_H_

//int iHighScores[10];


//void iHighScore_System();
//{
//int	iHighScores[10];
//int iScore = 0;

//char scorestring[]; = "score"
//while (iscore < 6)


//DrawString("HighScores: %i %i/n"), (iScore+1), iHighScores[iScore]);
////	++iScore;

//	for(int iHighScores = 0; iHighScores < 10; iHighscore++)

//}




#endif

background header file:
ifndef BACKGROUND_MENU_H
#define BACKGROUND_MENU_H

// DECLAN-CORCORAN'S PONG PROGRAM ASSIGNMENT ONE
//Header for background and menu functions
#include "pctimer.h"
#include <string>
#include <cmath>
#include <stdio.h>
#include <crtdbg.h>
#include <stdlib.h>



void iBackGround();

#endif


padde header:
#ifndef PADDLE_FUNCTIONS_H_
#define PADDLE_FUNCTIONS_H_

// DECLAN-CORCORAN'S PONG PROGRAM ASSIGNMENT ONE
//Header for paddle functions


#include "pctimer.h"
#include <string>
#include <cmath>
#include <stdio.h>
#include <crtdbg.h>
#include <stdlib.h>


void iPaddles();




#endif



player controls headers:
#ifndef PLAYER_CONTROLLS_H_
#define PLAYER_CONTROLLS_H_

// DECLAN-CORCORAN'S PONG PROGRAM ASSIGNMENT ONE
//Header for player controls
#include "pctimer.h"
#include <string>
#include <cmath>
#include <stdio.h>
#include <crtdbg.h>
#include <stdlib.h>





void iPlayer_Controlls();




#endif

textures headers:
#ifndef TEXTURES_H_
#define TEXTURES_H_

// DECLAN-CORCORAN'S PONG PROGRAM ASSIGNMENT ONE
//Header for Textures/imagies

#include <Windows.h>
#include "GL_Functions.h"
#include "pctimer.h"
#include <string>
#include <cmath>
#include <stdio.h>
#include <crtdbg.h>
#include <stdlib.h>



void iTextures()
{
int iBackGroundTexture = LoadTexture ("./images/background.png");
int iBallTexture = LoadTexture ("./images/mball.png");
int iLeftPaddle = LoadTexture ("./images/paddle_2.png");
int iRightPaddle = LoadTexture ("./images/paddle_1.png");
int Menu = LoadTexture ("./images/MENU.png");

}





#endif

and enum header:
#ifndef ENUM_H_
#define ENUM_H_

// DECLAN-CORCORAN'S PONG PROGRAM ASSIGNMENT ONE
//Header for ball functions
#include <Windows.h>
#include "GL_Functions.h"
#include "pctimer.h"
#include <string>
#include <cmath>
#include <stdio.h>
#include <crtdbg.h>
#include <stdlib.h>



 enum GAME_STATE;
{
	STATE_MAINMENU,  // will take user to main menu at start of game or during
    STATE_SINGLEPLAYER,  // one player mode vsing AI
	STATE_MULTIPLAYER, // player vs player mode
	STATE_HIGHSCORES, //lists high score
	STATE_INSTRUCTIONS, // opens the options menu
	STATE_QUIT // when user presses escape key program closes
};



#endif

thanks for taking ur time to look at this.