object_oriented_like.c

#include <stdio.h>
#include <malloc.h>

/* クラス */
typedef struct __Object
{
  int value;
  int (*get)(struct __Object *);
  void (*set)(struct __Object *, int);
} Object;

/* インスタンスメソッド */
int Object_get(Object *this)
{
  return this->value;
}

void Object_set(Object *this, int value)
{
  this->value = value;
  return;
}

/* コンストラクタ */
Object *new_Object()
{
  Object *object;
  object = (Object *)malloc(sizeof(Object));
  object->get = Object_get;
  object->set = Object_set;
  object->value = 0;
  return object;
}

/* デストラクタ */
void delete_Object(Object *object)
{
  free(object);
}

/* メイン関数 */
int main(int argc, char* argv[], char* envp[])
{
  Object *object;
  object = new_Object();
  object->set(object, 15);
  printf("%d\n", object->get(object));
  delete_Object(object);
  return 0;
}