diff -r ffd452cf05ff -r b980a7192b5a src/chess/king.h
--- a/src/chess/king.h	Tue Jun 03 08:43:17 2025 +0200
+++ b/src/chess/king.h	Wed Jun 04 23:56:40 2025 +0200
@@ -37,8 +37,8 @@
 extern "C" {
 #endif
 
-_Bool king_chkrules(GameState *gamestate, Move *move);
-_Bool king_isblocked(GameState *gamestate, Move *move);
+bool king_chkrules(GameState *gamestate, Move *move);
+bool king_isblocked(GameState *gamestate, Move *move);
 
 #ifdef	__cplusplus
 }