diff --git a/ap/libc/glibc/glibc-2.23/stdio-common/tempnam.c b/ap/libc/glibc/glibc-2.23/stdio-common/tempnam.c
new file mode 100644
index 0000000..7a53262
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdio-common/tempnam.c
@@ -0,0 +1,43 @@
+/* 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 <stdio.h>
+#include <string.h>
+
+/* Generate a unique temporary filename using up to five characters of
+   PFX if it is not NULL.  The directory to put this file in is
+   searched for as follows: First the environment variable "TMPDIR" is
+   checked.  If it contains the name of a directory, that directory is
+   used.  If not and if DIR is not NULL, that value is checked.  If
+   that fails, P_tmpdir is tried and finally "/tmp".  The storage for
+   the filename is allocated by `malloc'.  */
+char *
+tempnam (const char *dir, const char *pfx)
+{
+  char buf[FILENAME_MAX];
+
+  if (__path_search (buf, FILENAME_MAX, dir, pfx, 1))
+    return NULL;
+
+  if (__gen_tempname (buf, 0, 0, __GT_NOCREATE))
+    return NULL;
+
+  return __strdup (buf);
+}
+
+link_warning (tempnam,
+	      "the use of `tempnam' is dangerous, better use `mkstemp'")