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-rw-r--r--bits/ustat.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/bits/ustat.h b/bits/ustat.h
index aeafc22a5c..fc08758608 100644
--- a/bits/ustat.h
+++ b/bits/ustat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -16,6 +16,10 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#ifndef _SYS_USTAT_H
+# error "Never include <bits/ustat.h> directly; use <sys/ustat.h> instead."
+#endif
+
 #include <sys/types.h>
 
 struct ustat