#ifndef _PUPPY_H_
#define _PUPPY_H_

#include "Dog.h"

typedef struct puppy_st *Puppy;

// all puppies know what dogs know, and also how to sleep
// Note: the toString method has been overridden
struct puppy_vtable_st {
  void (*delete)(Dog p);
  void (*bark)(Dog d);
  char *(*toString)(Puppy p);
  void (*sleep)(Puppy p);
};

// puppies have an extra field "numAccidents"
// the number of bathroom training accidents they've had
typedef struct puppy_st {
  struct puppy_vtable_st *vtable;
  char *name;
  int age;
  int numAccidents;
} *Puppy;

Puppy new_puppy(char *name, int age, int numAccidents);
int _puppy_constructor(Puppy p, char *name, int age, int numAccidents);

#endif //_PUPPY_H_