kitty2

kitty.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "./kitty_actions.c"

void main(void){
    kitty jerry;

    jerry = bornCat("jerry");

    jerry->watchCat = &watchCat;
    jerry->feedCat = &feedCat;

    jerry->feedCat(jerry);
    jerry->watchCat(jerry);

/*
    jerry->watchCat();

    jerry = bornCat("jerry");

    feedCat(jerry);
    stopFeedCat(jerry);
    watchCat(jerry);
*/
    killCat(jerry);
}

kitty.h

#ifndef KITTY_H
#define KITTY_H

typedef struct kitty_cat *kitty;

kitty bornCat(const char* name);
void nameCat(kitty, const char* name);
void playCat(const kitty cat);
void stopCat(const kitty cat);
void feedCat(const kitty cat);
void stopFeedCat(const kitty cat);
void killCat(kitty cat);
void watchCat(kitty cat);

#endif

kitty_actions.c

#include "./kitty.h"

struct kitty_cat{
    char *name;
    int play,
        eating;

    void (*nameCat)(kitty cat, const char* name);
    void (*playCat)(const kitty cat);
    void (*stopCat)(const kitty cat);
    void (*feedCat)(const kitty cat);
    void (*stopFeedCat)(const kitty cat);
    void (*killCat)(kitty cat);
    void (*watchCat)(kitty cat);
};

kitty bornCat(const char *name){
    kitty cat=(kitty *)(malloc(sizeof(kitty)));
    /*cat->nameCat(cat, name);*/
    return cat;
}

void nameCat(kitty cat, const char *name){
    cat->name = (char *)(malloc(strlen(name) * sizeof(char)));
    strcpy(cat->name, name);
}


void playCat(const kitty cat){
    cat->play = 1;
}

void stopCat(const kitty cat){
    cat->play = 0;
}

void feedCat(const kitty cat){
    cat->eating = 1;
}

void stopFeedCat(const kitty cat){
    cat->eating = 0;
}

void killCat(kitty cat){
    free(cat);
}

void watchCat(kitty cat){
    if(cat->play){
        printf("%s is playing!\n", cat->name);
    }
    else{
        printf("%s is idle!\n", cat->name);
    }

    if(cat->eating){
        printf("%s is eating!\n", cat->name);
    }
    else{
        printf("%s is starving!\n", cat->name);
    }

}