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

#define CARDS	53
#define SUITLEN	10

typedef struct card {
  char *suit;
  int  number;
} Card;

char *suits[] = {"ハート", "スペード", "ダイヤ", "クラブ"};
char *numbers[] = {"JOKER", "A", "2", "3", "4", "5", "6", "7", "8", "9", "10",
                   "J", "Q", "K"};

void initialize(Card c[])
{
  int s, n, i;
  for (i=0; i<CARDS-1; i++) {
    s = i/13;                   /* 13で割ると切捨て */
    n = i%13 + 1;               /* 13で割った余り+1 */
    c[i].suit=suits[s];
    c[i].number = n;
  }
  c[i].suit = numbers[0];
  c[i].number = 0;              /* ジョーカーのnumberは0にしておく */
}

void shuffle(Card c[], int length)
{
  int i, pair;
  srandom(time(NULL));
  Card work;
  for (i=0; i<length; i++) {
    pair = random()%length;  /* 交換相手の決定 */
    memcpy(&work, &c[i], sizeof work);
    memcpy(&c[i], &c[pair], sizeof work);
    memcpy(&c[pair], &work, sizeof work);
  }
}

int main(int argc, char *argv[])
{
  int i;
  Card deck[CARDS];
  initialize(deck);
  shuffle(deck, CARDS);
  for (i=0; i<CARDS; i++) {
    printf("%sの%s\n", deck[i].suit, numbers[deck[i].number]);
  }
}