#include <string.h>
#include <iostream.h>
#include <strstream.h>

int main()
{   const size = 64;
    char buf[size] = {'z','z','z','z','z','z','z','z','z','z',
		      'z','z','z','z','z','z','z','z','z','z',
		      'z','z','z','z','z','z','z','z','z','z',
		      'z','z','z','z','z','z','z','z','z','z',
		      'z','z','z','z'};
    ostrstream mystr(buf, size, ios::out);  // string stream obj
    double amt = 54.95;
    // compose string using mystr object
    mystr << "The price is $" << amt << '.' << '\0';
    cout << "length= " << strlen(buf) << endl;
    // Display string composed
    cout << buf << "\n"; 
    return(0);
}