C++ | Return Value in Function | Lecture 6

Lecture # 6:

Here you will learn that how to return value in function in C++ programming?
It is a very useful way and important way. You will use it in your programming many times. It works with user define functions. Let's try it.
Here we take dog year example.

---

 /*  
  Name: Return Value in functions  
  Copyright: SameeArticles.blogspot.com  
  Author: Samee Ullah Feroz  
  Date: 24/02/14 16:17  
  Description: How to return value in function in C++?  
 */  
 #include <iostream>  
 #include <cmath> //it is for all math functions library  
 int dogyears(int); //it is int function and return int   
 int main() //it is actually a function here  
   {  
    using namespace std;  
    int years; // user define variable  
    cout << "enter your dogs age: ";  
    cin >> years;  
    int peopleyears = dogyears(years);  
    cout << "your dog is " << peopleyears << endl;  
    system("pause");  
    return 0;  
   }   
 int dogyears(int dog) //User define function.  
 {  
   return 7 * dog; //it will return a value a variable  
 }