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

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/csu/init.c b/ap/libc/glibc/glibc-2.23/csu/init.c
new file mode 100644
index 0000000..9327726
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/csu/init.c
@@ -0,0 +1,26 @@
+/* Special startup support.
+   Copyright (C) 1997-2016 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/>.  */
+
+#if defined __GNUC__ && __GNUC__ >= 2
+
+#include <_G_config.h>
+
+/* This records which stdio is linked against in the application. */
+const int _IO_stdin_used = _G_IO_IO_FILE_VERSION;
+
+#endif