diff -Naur a/util.h b/util.h
--- a/util.h	2025-12-07 19:18:10.017809733 -0500
+++ b/util.h	2025-12-07 19:19:58.133502989 -0500
@@ -6,6 +6,7 @@
 
 // includes
 
+#include <stdbool.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/timeb.h>
@@ -110,8 +111,6 @@
 typedef signed int sint32;
 typedef unsigned int uint32;
 
-typedef int bool;
-
 #ifdef _MSC_VER
   typedef signed __int64 sint64;
   typedef unsigned __int64 uint64;