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/* 
 * File:   functions.cpp
 * Author: caleb
 *
 * Created on March 1, 2024, 10:07 AM
 */

#include <cstdlib>
#include <iostream>

using namespace std;
#include "functions.h"

int global = 0;

void f1() {
    cout << "f1()" << endl;
    global++;
    f2();
}

void f2() {
    cout << "f2()" << endl;
    global++;
}

void passByReference(int& x) {
    global++;
    x = 100;
}

void staticVarFunction() {
    static int staticInt = 10;
    staticInt++;
    cout << staticInt << endl;
}

int& returnReference (int & x) {
    x++;
    return x;
}