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

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/io/lseek.c b/ap/libc/glibc/glibc-2.23/io/lseek.c
new file mode 100644
index 0000000..21948ec
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/io/lseek.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991-2016 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/>.  */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Seek to OFFSET on FD, starting from WHENCE.  */
+off_t
+__libc_lseek (int fd, off_t offset, int whence)
+{
+  if (fd < 0)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  switch (whence)
+    {
+    case SEEK_SET:
+    case SEEK_CUR:
+    case SEEK_END:
+      break;
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__libc_lseek, __lseek)
+weak_alias (__libc_lseek, lseek)
+stub_warning (lseek)
+
+libc_hidden_def (__lseek)