text: #ifndef CONSTANTS_CARD_GAME_H_
  #define CONSTANTS_CARD_GAME_H_
  
  const char HEARTS = 'H';
  const char CLUBS = 'C';
  const char SPADES = 'S';
  const char DIAMONDS = 'D';
  
  const char ACE = 1;
  const char TWO = 2;
  const char THREE = 3;
  const char FOUR = 4;
  const char FIVE = 5;
  const char SIX = 6;
  const char SEVEN = 7;
  const char EIGHT = 8;
  const char NINE = 9;
  const char TEN = 10;
  const char JACK = 11;
  const char QUEEN = 12;
  const char KING = 13;
  
  const char FACE_DOWN = '0';
  
  // plays
  const char HIT = 'I';
  const char STAND = 'N';
  const char SPLIT = 'T';
  const char DOUBLE = 'E';
  const char SURRENDER = 'R';
  
  const char DEALER = 'L';
  #endif
  