// system include files
//
#include <stdio.h>
#include <stdlib.h>

// define a simple class
//
class Foo {

  // define protected data
  //
protected:
  
  // define some data
  //
  static char d;
  char str[5];
  float x[5];

  // define public functions
  //
public:
  Foo() {
    fprintf(stdout, "the address of d is: %u\n", &d);
    fprintf(stdout, "the address of str is: %u\n", str);
    fprintf(stdout, "the address of x is: %u\n", x);
  }
  ~Foo() {}

  // method: myprint
  //
  void myprint() {
    fprintf(stdout, "hello world\n");
  }

  // end of class
};