/* 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 #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) in.get(c); // print that character (and flush) std::cout << c << std::flush; // after eight characters, put two characters back into the stream if (i == 8) { in.unget(); in.unget(); } } std::cout << std::endl; }