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

typedef struct Animal {
    char *name;
    int age;
    char *species;
} Animal;

Animal *create_animal(char *name, int age, char *species) {
    Animal *animal = (Animal *)malloc(sizeof(Animal));
    animal->name = strdup(name);
    animal->age = age;
    animal->species = strdup(species);
    return animal;
}

void print_animal(Animal *animal) {
    printf("动物名称： %s
", animal->name);
    printf("年龄： %d
", animal->age);
    printf("物种： %s
", animal->species);
}

void free_animal(Animal *animal) {
    free(animal->name);
    free(animal->species);
    free(animal);
}

int main() {
    srand(time(NULL));
    int random_age = rand() % 100 + 1; // 生成1到100之间的随机数作为年龄
    int random_species_index = rand() % 3; // 生成1到2之间的随机数作为物种索引

    char *species[] = {"狗", "猫", "鸟"};

    Animal *animal = create_animal("小动物", random_age, species[random_species_index]);
    print_animal(animal);
    free_animal(animal);

    return 0;
}