#include <iostream.h>
#include "Cirbuf.h"

int main()
{   Cirbuf b1;
    b1.produce('A'); b1.produce('B'); b1.produce('C');
    char c;
    CirbufIterator next(b1);
    while ( next(c) > -1)
        cout << c;
    while ( b1.next(c) > -1)
        cout << c;
    cout << endl;
    c = b1.consume();
    while ( b1.next(c) > -1)
        cout << c;
    cout << endl;
    {  Cirbuf b2, b3;
       b2 = b1;
       cout << (c = b2.consume());
       cout << (c = b2.consume()) << endl;
       c = b2.consume(); if (c > 0 ) cout << c;
       b3 = b2;
    }
    cout << "from b1 ";
    cout << (c = b1.consume());
    cout << (c = b1.consume()) << endl;
    return(0);
}