The following code listing is provided to you in advance of the final exam.  You do not need to memorize this, since it will be available within the exam itself. However, reading it in advance may save you some time during the exam.  The TAs and instructors will not be answering questions about this code prior to the exam.  It is provided here only to save you time on the exam.
 
  
/* cards.c  -- sample program for structs and arrays */
/* A simple card game: Let's call it HIGH CARD WINS */

#include <stdio.h>

typedef struct {
 char rank, suit;
} card;

#define DECK_SIZE 52
#define HAND_SIZE  5

/* function prototypes */
void initialize_deck(card theDeck[], char theSuits[], char theRanks[]);
void shuffle(card theDeck[]);
int cardcmp(card c1, card c2);
card find_high_card(card hand[]);
card deal_a_card(card theDeck[]);

#include "cardfns.c"

int main(void) {
  char suits[4] = {'S','H','D','C'};
  char ranks[13] = {'A','2','3','4','5','6','7','8','9','T','J','Q','K'};
  card deck[DECK_SIZE];
  card player_A_hand[HAND_SIZE], player_B_hand[HAND_SIZE];
  int i;
  int result;
  card player_A_high_card, player_B_high_card;

  initialize_deck(deck, suits, ranks);
  shuffle(deck);

  /* Deal 5 cards to each of 2 players */
  for (i = 0; i < HAND_SIZE; i++) {
    player_A_hand[i] = deal_a_card(deck);
    player_B_hand[i] = deal_a_card(deck);
  }

  player_A_high_card = find_high_card(player_A_hand);
  player_B_high_card = find_high_card(player_B_hand);

  result = cardcmp(player_A_high_card, player_B_high_card);
  if (result <  0) printf("Player B wins!\n");
  if (result == 0) printf("It's a tie!\n");
  if (result >  0) printf("Player A wins!\n");
  return 0;
}