Blackjack in C header

#ifndef BLACKJACK_H_
#define BLACKJACK_H_

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

#define DECK 6

typedef enum {
  Ace = 1, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen,
  King, One
} kind_t;

typedef struct {
  char *suit;
  char *face;
  kind_t kind;
  int worth;
} card_t;

typedef struct fighter_struct {
  int value;
  card_t *card;
  struct fighter_struct *prev;
} fighter_t;

typedef enum {
  DealerBlackjack, PlayerBlackjack, DealerBust, PlayerBust, Even, DealerDuty,
  DealerPass, HitOrStay
} judge_t;

extern card_t cards[];

bool continued(void);
bool yes_or_no(void);
fighter_t *dealer_duty(fighter_t *);
fighter_t *hit_or_stay(fighter_t *);
fighter_t *new_fighter(void);
fighter_t *pull(fighter_t *);
fighter_t *try_soft_ace(fighter_t *);
int count_ace(fighter_t *);
judge_t judge(fighter_t *, fighter_t *);
void init_cards(void);
void print_fight_without_hole(fighter_t *, fighter_t *);
void print_fight(fighter_t *, fighter_t *);
void print_hand(fighter_t *);
void print_player(fighter_t *);
void print_up(fighter_t *);
void shuffle_cards(void);
void swap_cards(card_t *, card_t *);

#endif /* BLACKJACK_H_ */