1 files changed, 5 insertions, 0 deletions
diff --git a/resolv/netdb.h b/resolv/netdb.h
index 354d9ddfdb..508e7c4692 100644
--- a/resolv/netdb.h
+++ b/resolv/netdb.h
@@ -80,6 +80,11 @@ __set_h_errno (int __err)
 				   type.  */
 #define	NO_ADDRESS	NO_DATA	/* No address, look for MX record.  */
 
+#ifdef __USE_GNU
+/* Scope delimiter for getaddrinfo(), getnameinfo().  */
+# define SCOPE_DELIMITER	'%'
+#endif
+
 /* Print error indicated by `h_errno' variable on standard error.  STR
    if non-null is printed before the error string.  */
 extern void herror (__const char *__str) __THROW;