The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference, 2nd Edition
by Nicolai M. Josuttis, Addison Wesley Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#include <iostream>
#include "ignore1.hpp"
int main()
{
int i;
std::cout << "read int and ignore rest of the line" << std::endl;
std::cin >> i;
// ignore the rest of the line
std::cin >> ignoreLine;
std::cout << "int: " << i << std::endl;
std::cout << "read int and ignore two lines" << std::endl;
std::cin >> i;
// ignore two lines
std::cin >> ignoreLine >> ignoreLine;
std::cout << "int: " << i << std::endl;
}