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-rw-r--r--bits/sockaddr.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/bits/sockaddr.h b/bits/sockaddr.h
index e91f837954..0af58c9ebb 100644
--- a/bits/sockaddr.h
+++ b/bits/sockaddr.h
@@ -1,4 +1,4 @@
-/* Definition of `struct sockaddr_*' common members.  Generic/4.2 BSD version.
+/* Definition of struct sockaddr_* common members and sizes, generic version.
    Copyright (C) 1995-2016 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -36,4 +36,7 @@ typedef unsigned short int sa_family_t;
 
 #define __SOCKADDR_COMMON_SIZE	(sizeof (unsigned short int))
 
+/* Size of struct sockaddr_storage.  */
+#define _SS_SIZE 128
+
 #endif	/* bits/sockaddr.h */