#include <strstream> #include <iostream> using namespace std; int main() { char str[80]; ostrstream outs(str, sizeof(str)); outs << "array-based I/O. "; outs << 1024 << hex << " "; outs.setf(ios::showbase); outs << 100 << ' ' << 99.789 << ends; cout << str; return 0; }