#ifndef TYPES_H_
#define TYPES_H_

#include <stddef.h>
typedef void *data_t;

typedef struct str_array {
  char **str;
  size_t n;
} str_array_t;

typedef struct generic_array {
  void *data;
  size_t elem_size;
  size_t n;
} generic_array_t;

typedef struct node {
  data_t data;
  struct node *next;
} node_t;

typedef struct queue {
  node_t *front;
  node_t *rear;
} queue_t;

generic_array_t create_array(size_t elem_size, size_t n);

void free_array(generic_array_t *array);

void resize_array(generic_array_t *array, size_t new_size);

void *get_element(generic_array_t *array, size_t index);

str_array_t create_str_array(size_t n);

void free_str_array(str_array_t *array);

void resize_str_array(str_array_t *array, size_t new_size);

int set_str_element(str_array_t *array, size_t index, const char *value);

const char *get_str_element(str_array_t *array, size_t index);

queue_t create_queue(void);

int is_empty_queue(queue_t *queue);

void enqueue(queue_t *queue, data_t data);

data_t dequeue(queue_t *queue);

void free_queue(queue_t *queue);

#endif