C++ examples for Function:Useful Function
Asks user for his or her selection and returns that selection to the operating system with exit().
#include <iostream> using namespace std; #include <stdlib.h> int main()// w w w .j ava 2 s. c om { int ans; do { cout << "Do you want to:\n\n"; cout << "\t1. Run the word processor \n\n"; cout << "\t2. Run the database program \n\n"; cout << "What is your selection? "; cin >> ans; } while ((ans != 1) && (ans != 2)); // Ensures user enters 1 or 2. exit(ans); // Return value to operating system. return 0; // Return does not ever execute due to exit(). }