C++/Console/cout pcount

#include <strstream>
#include <iostream>
using namespace std;
int main()
{
  char str[80];ostrstream outs(str, sizeof(str));
  outs << "abcdefg ";
  outs << 27 << " "  << 890.23;
  outs << ends;  // null terminate
  cout << "chars in outs: "<< outs.pcount(); // 
  cout << " " << str;
  return 0;
}