/* 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 <sstream>#include <bitset>using namespace std;int main(){    ostringstream os;    // decimal and hexadecimal value    os << "dec: " << 15 << hex << " hex: " << 15 << endl;    cout << os.str() << endl;    // append floating value and bitset    bitset<15> b(5789);    os << "float: " << 4.67 << " bitset: " << b << endl;    // overwrite with octal value    os.seekp(0);    os << "oct: " << oct << 15;    cout << os.str() << endl;}