/* The following code example is taken from the book
 * "Object-Oriented Programming in C++"
 * by Nicolai M. Josuttis, Wiley, 2002
 *
 * (C) Copyright Nicolai M. Josuttis 2002.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */
#include <iostream>
#include <cstdlib>

int main()
{
    char c;

    // as long as a character c can be read
    while (std::cin.get(c)) {
        // output character
        std::cout.put(c);
    }

    if (! std::cin.eof()) {
        std::cerr << "read error" << std::endl;
        return EXIT_FAILURE;
    }
    if (! std::cout.good()) {
        std::cerr << "write error" << std::endl;
        return EXIT_FAILURE;
    }
}
