// invoke cbOne function through callback instance

  // invoke cbOne function through callback instance

  double retOne;

  double retOne;

  retOne = one (10.0, 20.0);

  retOne = one (10.0, 20.0);

  // return type: int

  // return type: int

  // first arg type: double

  // first arg type: double

  // invoke MyCb::cbTwo through callback instance

  // invoke MyCb::cbTwo through callback instance

  int retTwo;

  int retTwo;

  retTwo = two (10.0);

  retTwo = two (10.0);

  two = MakeNullCallback<int, double> ();

  two = MakeNullCallback<int, double> ();

  // invoking a null callback is just like

  // invoking a null callback is just like

  // invoking a null function pointer:

  // invoking a null function pointer:

  unsigned char* endp = 0;

  unsigned char* endp = 0;

  unsigned char* colonp = 0;

  unsigned char* colonp = 0;

  const char* xdigits = 0;

  const char* xdigits = 0;

  const char* curtok = 0;

  const char* curtok = 0;

  int ch = 0;

  int ch = 0;

  int seen_xdigits = 0;

  int seen_xdigits = 0;

  unsigned int val = 0;

  unsigned int val = 0;

          return (0);

          return (0);

        }

        }

    }

    }

  curtok = address;

  curtok = address;

  while ((ch = *address++) != '\0')

  while ((ch = *address++) != '\0')

    {

    {

      const char *pch = 0;

      const char *pch = 0;

        }

        }

      if (ch == ':')

      if (ch == ':')

        {

        {

          curtok = address;

          curtok = address;

          if (!seen_xdigits)

          if (!seen_xdigits)

            {

            {