--- /dev/null
+/* Copyright (C) 1996-2018 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/>. */
+
+#ifndef _NL_TYPES_H
+#define _NL_TYPES_H 1
+
+#include <features.h>
+
+/* The default message set used by the gencat program. */
+#define NL_SETD 1
+
+/* Value for FLAG parameter of `catgets' to say we want XPG4 compliance. */
+#define NL_CAT_LOCALE 1
+
+
+__BEGIN_DECLS
+
+/* Message catalog descriptor type. */
+typedef void *nl_catd;
+
+/* Type used by `nl_langinfo'. */
+typedef int nl_item;
+
+/* Open message catalog for later use, returning descriptor.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern nl_catd catopen (const char *__cat_name, int __flag) __nonnull ((1));
+
+/* Return translation with NUMBER in SET of CATALOG; if not found
+ return STRING. */
+extern char *catgets (nl_catd __catalog, int __set, int __number,
+ const char *__string) __THROW __nonnull ((1));
+
+/* Close message CATALOG. */
+extern int catclose (nl_catd __catalog) __THROW __nonnull ((1));
+
+__END_DECLS
+
+#endif /* nl_types.h */