\r
#include "util.h"\r
\r
-// constants\r
-\r
-const int BlackFlag = 1 << 0;\r
-const int WhiteFlag = 1 << 1;\r
-\r
-const int ColourNone = 0;\r
-const int Black = BlackFlag;\r
-const int White = WhiteFlag;\r
-const int ColourNb = 3;\r
+// defines\r
+\r
+#define BlackFlag (1 << 0)\r
+#define WhiteFlag (1 << 1)\r
+#define ColourNone 0\r
+#define Black BlackFlag\r
+#define White WhiteFlag\r
+#define ColourNb 3\r
\r
// functions\r
\r