Freeze dynamic buffer and return pointer to it : ostrstream « File Stream « C++ Tutorial

1. C++ Tutorial
2. File Stream
3. ostrstream

#include <strstream>
#include <iostream>
using namespace std;

int main()
{
  char *p;

  ostrstream outs;

  outs << "AAAAAAAAAAAAAAAAAAAA";
  outs << -10 << hex << " ";
  outs.setf(ios::showbase);
  outs << 100 << ends;

  p = outs.str();

  cout << p;

  return 0;
}

AAAAAAAAAAAAAAAAAAAA-10 0x64"