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/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
* (C) Copyright Nicolai M. Josuttis 1999.
* 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 "inbuf1.hpp"
int main()
inbuf ib; // create special stream buffer
std::istream in(&ib); // initialize input stream with that buffer
char c;
for (int i=1; i<=20; i++) {
// read next character (out of the buffer)
// print that character (and flush)
std::cout << c << std::flush;
// after eight characters, put two characters back into the stream
if (i == 8) {
std::cout << std::endl;