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

typedef enum {
  DOG,
  CAT,
  GOLDFISH,
  CATFISH,
} category_t;

typedef struct {
  category_t category;
  char *name;
  int price;
} pet_t;

pet_t MakePet(category_t category, char *name) {
  pet_t p;
  p.category = category;
  p.name = name;
  switch (category) {
    case DOG:
      p.price = 10;
      break;
    case CAT:
      p.price = 9;
      break;
    case GOLDFISH:
    case CATFISH:
      p.price = 3;
      break;
  }
  return p;
}

// Find the pet called nemo, or return -1 if not found.
int FindNemo(pet_t pets[], int num_pets) {
  int i;
  for (i = 0; i < num_pets; ++i) {
    if (!strcmp(pets[i].name, "nemo")) {
      return i;
    }
  }
  return -1;
}

int main() {
  pet_t pets[2];
  pets[0] = MakePet(DOG, "lucy");
  pets[1] = MakePet(GOLDFISH, "nemo");
  printf("%d", FindNemo(pets, 2));
  return EXIT_SUCCESS;
}