Sample Multi-File Program

/*****************************************************
 File: header.h
 This file contains variable and function declarations
******************************************************/
#ifndef HEADER
	#define HEADER
	extern int k;

	void print_it();
#endif
/*****************************************************
 End of header file
*****************************************************/

/********************************************************
 File: implementation.C
 This file contains the definition of a function declared
 in header.h
*********************************************************/

#include "header.h"
#include <iostream.h>

void print_it()
{
	cout << "The value passed is: " << k << endl;
}

/********************************************************
 End of implementation file
********************************************************/

/********************************************************
 File: main.C
 This is the client function file
********************************************************/

#include "header.h"

int k = 100;
int main()
{
	print_it();

	return(0);
}

/********************************************************
 End of main.C
********************************************************/