diff --git a/e_os.h b/e_os.h
index 0701a78..3a4ba6d 100644
--- a/e_os.h
+++ b/e_os.h
@@ -93,6 +93,8 @@
 #  define REF_PRINT_COUNT(a, b)
 # endif
 
+# define osslargused(x)      (void)x
+
 # ifndef DEVRANDOM
 /*
  * set this to a comma-separated list of 'random' device files to try out. My