1 files changed, 7 insertions, 4 deletions
diff --git a/conform/data/errno.h-data b/conform/data/errno.h-data
index ffdf6b5c4d..328687f8dc 100644
--- a/conform/data/errno.h-data
+++ b/conform/data/errno.h-data
@@ -2,7 +2,10 @@ constant EDOM
 constant EILSEQ
 constant ERANGE
 
-#ifndef ISO
+// variable int errno
+allow errno
+
+#if !defined ISO && !defined ISO99 && !defined ISO11
 constant E2BIG
 constant EACCES
 constant EADDRINUSE
@@ -84,9 +87,9 @@ constant ENOTRECOVERABLE
 constant EOWNERDEAD
 # endif
 
-// variable int errno
-allow errno
-
 allow E*
 allow *_t
 #endif
+
+allow E[0123456789]*
+allow E[ABCDEFGHIJKLMNOPQRSTUVWXYZ]*