--- a/include/env.h	2019-10-07 23:14:02.000000000 +0200
+++ b/include/env.h	2019-10-24 21:26:07.487200839 +0200
@@ -13,6 +13,7 @@
 #include <stdbool.h>
 #include <linux/types.h>
 
+typedef unsigned long ulong;
 struct environment_s;
 
 /* Value for environment validity */