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

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/libio/iovsscanf.c b/ap/libc/glibc/glibc-2.23/libio/iovsscanf.c
new file mode 100644
index 0000000..18d9aaa
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/libio/iovsscanf.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1993-2016 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/>.
+
+   As a special exception, if you link the code in this file with
+   files compiled with a GNU compiler to produce an executable,
+   that does not cause the resulting executable to be covered by
+   the GNU Lesser General Public License.  This exception does not
+   however invalidate any other reasons why the executable file
+   might be covered by the GNU Lesser General Public License.
+   This exception applies to code released by its copyright holders
+   in files containing the exception.  */
+
+#include "libioP.h"
+#include "strfile.h"
+
+int
+_IO_vsscanf (const char *string, const char *format, _IO_va_list args)
+{
+  int ret;
+  _IO_strfile sf;
+#ifdef _IO_MTSAFE_IO
+  sf._sbf._f._lock = NULL;
+#endif
+  _IO_no_init (&sf._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
+  _IO_JUMPS (&sf._sbf) = &_IO_str_jumps;
+  _IO_str_init_static_internal (&sf, (char*)string, 0, NULL);
+  ret = _IO_vfscanf (&sf._sbf._f, format, args, NULL);
+  return ret;
+}
+ldbl_weak_alias (_IO_vsscanf, __vsscanf)
+ldbl_weak_alias (_IO_vsscanf, vsscanf)