[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/misc/sys/ustat.h b/ap/libc/glibc/glibc-2.23/misc/sys/ustat.h
new file mode 100644
index 0000000..b58a1de
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/misc/sys/ustat.h
@@ -0,0 +1,37 @@
+/* Header describing obsolete `ustat' interface.
+   Copyright (C) 1996-2016 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/*
+ * This interface is obsolete.  Use <sys/statfs.h> instead.
+ */
+
+#ifndef _SYS_USTAT_H
+#define	_SYS_USTAT_H	1
+
+#include <features.h>
+
+#include <sys/types.h>
+#include <bits/ustat.h>
+
+__BEGIN_DECLS
+
+extern int ustat (__dev_t __dev, struct ustat *__ubuf) __THROW;
+
+__END_DECLS
+
+#endif /* sys/ustat.h */