--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/board.h	Sat Mar 15 18:41:03 2014 +0100
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2014 Guido Berhoerster <guido+rantaiwarna@berhoerster.name>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef	BOARD_H
+#define	BOARD_H
+
+#include <stdint.h>
+
+enum {
+	GAME_OVER = 1,
+	GAME_OVER_CLEARED = 2
+};
+
+struct board_ctx {
+	short		*elements;
+	uint32_t	seed;
+	int		height;
+	int		width;
+	short		colors;
+	int32_t		score;
+	bool		status;
+};
+
+struct board_ctx * board_create(int, int, short);
+void	board_free(struct board_ctx *);
+int	board_check_status(struct board_ctx *);
+int	board_generate(struct board_ctx *);
+int	board_compact(struct board_ctx *);
+int	board_remove_elements(struct board_ctx *, int, int);
+
+#endif /* BOARD_H */