/*
EXAMPLE 8-6 (EX08_06.CPP)
*/

//PREPROCESSOR DIRECTIVES
#include <iostream.h>

//FUNCTION PROTOTYPE
void exchange(int &variable1, int &variable2);

//MAIN FUNCTION
int main()
{
	//DEFINE FUNCTION ARGUMENT VARIABLES
	int a = 10;
	int b = 20;

	//CALL FUNCTION
	exchange(a,b);

	//DISPLAY EXCHANGED VARIABLES
	cout << a << endl;
	cout << b << endl;

	//RETURN
	return 0;
}//END main()

/*
THIS FUNCTION WILL EXCHANGE THE TWO INTEGER
VARIABLES THAT IT RECIEVES
*/
void exchange(int &variable1, int &variable2)
{
	//DEFINE TEMPORARY LOCAL VARIABLE
	int temp;

	//EXCHANGE VARIABLE VALUES
	temp = variable1;
	variable1 = variable2;
	variable2 = temp;
} //END exchange()