1 files changed, 6 insertions, 0 deletions
diff --git a/c/util.h b/c/util.h
index d233ce1..1d8d222 100644
--- a/c/util.h
+++ b/c/util.h
@@ -4,6 +4,12 @@
 #include <algorithm>
 #include <cstring>
 #include <memory>
+#include <SWI-Prolog.h>
+#include <windows.h>
+
+#define CAT(a, b) a##b
+#define APPLY(a, ...) a(__VA_ARGS__)
+#define UNUSED APPLY(CAT, unused_, __COUNTER__)
 
 /* Format static wide string. */
 template<size_t N, typename... T>