--- /dev/null
+/* Copyright (C) 2011 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * ISO C11 Standard: 7.28
+ * Unicode utilities <uchar.h>
+ */
+
+#ifndef _UCHAR_H
+#define _UCHAR_H 1
+
+#include <features.h>
+
+#define __need_size_t
+#include <stddef.h>
+#define __need_mbstate_t
+#include <wchar.h>
+
+
+#ifdef __GNUC__
+/* Define the 16-bit and 32-bit character types. Use the information
+ provided by the compiler. */
+# if !defined __CHAR16_TYPE__ || !defined __CHAR32_TYPE__
+# if defined __STDC__ && __STDC__ < 201000L
+# error "<uchar.h> requires ISO C11 mode"
+# else
+# error "definitions of __CHAR16_TYPE__ and/or __CHAR32_TYPE__ missing"
+# endif
+# endif
+typedef __CHAR16_TYPE__ char16_t;
+typedef __CHAR32_TYPE__ char32_t;
+#endif
+
+
+__BEGIN_DECLS
+
+/* Write char16_t representation of multibyte character pointed
+ to by S to PC16. */
+extern size_t mbrtoc16 (char16_t *__restrict __pc16,
+ __const char *__restrict __s, size_t __n,
+ mbstate_t *__restrict __p) __THROW;
+
+/* Write multibyte representation of char16_t C16 to S. */
+extern size_t c16rtomb (char *__restrict __s, char16_t __c16,
+ mbstate_t *__restrict __ps) __THROW;
+
+
+
+/* Write char32_t representation of multibyte character pointed
+ to by S to PC32. */
+extern size_t mbrtoc32 (char32_t *__restrict __pc32,
+ __const char *__restrict __s, size_t __n,
+ mbstate_t *__restrict __p) __THROW;
+
+/* Write multibyte representation of char32_t C32 to S. */
+extern size_t c32rtomb (char *__restrict __s, char32_t __c32,
+ mbstate_t *__restrict __ps) __THROW;
+
+__END_DECLS
+
+#endif /* uchar.h */