-# if STRING_TO_UNSIGNED
-# define __xstrtol xstrtoul
-# define __strtol strtoul
-# define __unsigned unsigned
-# define __ZLONG_MAX ULONG_MAX
-# else
-# define __xstrtol xstrtol
-# define __strtol strtol
-# define __unsigned /* empty */
-# define __ZLONG_MAX LONG_MAX
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef XSTRTOL_H_
+# define XSTRTOL_H_ 1
+
+# if HAVE_INTTYPES_H
+# include <inttypes.h> /* for uintmax_t */