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/*
* Simple program exemplifying the usage of Animal class
* and its sub-classes
*/
#include <stdio.h>
/*
* The main program here, only need access to the public interfaces
* but the sub-classes will need access to the animal's private interface
*/
#include "animal_p.h"
#include "cat_p.h"
int main(void) {
/* We don't need to know how the cat object is implemented */
struct cat *myCat = cat_new();
cat_ctor(myCat);
/*
* For us to have the Animal class definition hidden, the animal_sound()
* should have a way to defer the parent Animal class, from the cat class.
*
* See its implementation within animal.c
*/
animal_sound((struct animal *)myCat);
return 0;
}
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