64 E2

Error_code copy_stack(Stack &dest,Stack &source)

{

Erroe_code detected=success;

Stack temp;

Stack_entry item;

While (detected==success&&!source.empty()}{

Detected=source.top(item);

Detected=source.pop();

if(detected==success)detected=temp.push(item);

}

While(detected==succes&&!temp.empty()}{

detected=temp.top(item);

detected=temp.pop();

if(detected==success)detected=source.push(item);

if(detected==success)detected=dest.push(item);

}

return detected;

}