#include <iostream.h>
/*************************************************************
 An example to demonstrate the nature of static variables
 Program:  static_var.C
*************************************************************/

void fn();
void main(){
        cout << "Calling fn()...\n";
	fn();
        cout << "\nCalling fn() again...\n";
	fn();
}
void fn(){
	static long x = 100;
	long y = 100;
	++x; //increments x
	++y; //increments y
	cout << "Inside fn()...\n";
	cout << "x = " << x << "\n";
	cout << "y = " << y << "\n";
}


Output:

Calling fn()...
Inside fn()...
x = 101
y = 101

Calling fn() again...
Inside fn()...
x = 102
y = 101