C++/Console/cout pcount

pcount(): reports that outs contains

<source lang="cpp">

1. include <strstream>
2. 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;

}

      </source>