--- a/src/chess/rook.h	Mon Mar 31 14:08:00 2014 +0200
+++ b/src/chess/rook.h	Mon Mar 31 15:03:25 2014 +0200
@@ -37,8 +37,8 @@
 #endif
 
 _Bool rook_chkrules(Move *move);
-_Bool rook_isblocked(Board board, Move *move);
-int rook_getlocation(Board board, Move *move);
+_Bool rook_isblocked(GameState *gamestate, Move *move);
+int rook_getlocation(GameState *gamestate, Move *move);
 
 #ifdef	__cplusplus
 }