From 6d38eb746e86589e3b8fa10ba37d206af5eb7ebf Mon Sep 17 00:00:00 2001
From: Scott Gasch <scott.gasch@gmail.com>
Date: Wed, 1 Jun 2016 19:41:17 -0700
Subject: Initial checking of tic tac toe minimax tutorial code.

---
 ver0/ttt.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 ver0/ttt.h

(limited to 'ver0/ttt.h')

diff --git a/ver0/ttt.h b/ver0/ttt.h
new file mode 100644
index 0000000..c20a3d1
--- /dev/null
+++ b/ver0/ttt.h
@@ -0,0 +1,48 @@
+#ifndef _TTT_H_
+#define _TTT_H_
+
+#define TRUE (1)
+#define FALSE (0)
+
+#define IN
+#define OUT
+
+typedef unsigned int BOOL;
+
+//
+// Constants for each state a board square can be in and a programmer
+// defined type for these states.
+//
+#define X_MARK (-1)
+#define EMPTY  (0)
+#define O_MARK (+1)
+#define TIE    (+2)
+
+typedef signed char SQUARE;
+#define IS_SQUARE_EMPTY(x) (x == EMPTY)
+
+//
+// A (simple) representation of a tic tac toe position
+//
+#define BOARD_SIZE (3)
+
+typedef struct _POSITION
+{
+    SQUARE sWhoseTurn;
+    SQUARE sBoard[BOARD_SIZE][BOARD_SIZE];
+    unsigned int uNumEmpty;
+} POSITION;
+
+//
+// A representation of a move in a tic tac toe game
+//
+typedef unsigned int COORD;
+
+typedef struct _MOVE
+{
+    COORD cHpos;
+    COORD cVpos;
+    SQUARE sMark;
+} MOVE;
+
+#endif /* _TTT_H_ */
-- 
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