1 files changed, 13 insertions, 11 deletions
diff --git a/include/othello.h b/include/othello.h
index ed25b6d..b9a8cf5 100644
--- a/include/othello.h
+++ b/include/othello.h
@@ -1,19 +1,21 @@
 #include <stdbool.h>
 
-typedef char player_color;
-#define EMPTY (player_color)'*'
-#define WHITE (player_color)'w'
-#define BLACK (player_color)'b'
+enum player_color {
+  EMPTY = '*',
+  WHITE = 'w',
+  BLACK = 'b',
+};
 
 struct move {
   int row;
   int col;
 };
 
-void initialize_board(player_color board[8][8]);
-bool is_valid_move(const player_color board[8][8],
-                   const player_color current_player, const struct move move);
-bool has_valid_moves(const player_color board[8][8],
-                     const player_color current_player);
-player_color game_loop(player_color board[8][8]);
-void print_board(const player_color board[8][8]);
+void initialize_board(enum player_color board[8][8]);
+bool is_valid_move(const enum player_color board[8][8],
+                   const enum player_color current_player,
+                   const struct move move);
+bool has_valid_moves(const enum player_color board[8][8],
+                     const enum player_color current_player);
+enum player_color game_loop(enum player_color board[8][8]);
+void print_board(const enum player_color board[8][8]);