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-rw-r--r--sysdeps/unix/bsd/bits/sockaddr.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/unix/bsd/bits/sockaddr.h b/sysdeps/unix/bsd/bits/sockaddr.h
index aa127689bf..f5900f9d73 100644
--- a/sysdeps/unix/bsd/bits/sockaddr.h
+++ b/sysdeps/unix/bsd/bits/sockaddr.h
@@ -1,4 +1,4 @@
-/* Definition of `struct sockaddr_*' common members.  4.4 BSD version.
+/* Definition of struct sockaddr_* common members and sizes, BSD version.
    Copyright (C) 1995-2016 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -39,4 +39,7 @@ typedef unsigned char sa_family_t;
 
 #define _HAVE_SA_LEN	1	/* We have the sa_len field.  */
 
+/* Size of struct sockaddr_storage.  */
+#define _SS_SIZE 128
+
 #endif	/* bits/sockaddr.h */