///////    File: optarg.C    ///////
#include <iostream.h>
// showing various optional argument settings

int d = 9;

class Foo
{ public:
     int bar(int a, int b, int c);
     enum {R, S, T};
     static int d;
};

// following d is Foo::d not ::d
int Foo::bar(int a, int b = d, int c = R);
int Foo::d = 8;

int io_func(iostream& io_obj = ::cin,
              int io_dir = ios::in);