diff -r 7ffd66591afe -r a298c6637c30 src/rules/knight.h
--- a/src/rules/knight.h	Fri Mar 28 11:45:01 2014 +0100
+++ b/src/rules/knight.h	Fri Mar 28 14:32:52 2014 +0100
@@ -36,9 +36,9 @@
 extern "C" {
 #endif
 
-_Bool knight_chkrules(Board board, Move *move);
-_Bool knight_isblocked(Board board, Move *move);
-_Bool knight_getlocation(Board board, Move *move);
+_Bool knight_chkrules(Move *move);
+#define knight_isblocked(b,m) FALSE
+int knight_getlocation(Board board, Move *move);
 
 #ifdef	__cplusplus
 }