include: Import uchar.h from MinGW.

include/Makefile.in

@@ -454,6 +454,7 @@ SOURCES = \
 	msvcrt/sys/unistd.h \
 	msvcrt/sys/utime.h \
 	msvcrt/time.h \
+	msvcrt/uchar.h \
 	msvcrt/unistd.h \
 	msvcrt/wchar.h \
 	msvcrt/wctype.h \

include/msvcrt/uchar.h

+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+
+/* ISO C1x Unicode utilities
+ * Based on ISO/IEC SC22/WG14 9899 TR 19769 (SC22 N1326)
+ *
+ *  THIS SOFTWARE IS NOT COPYRIGHTED
+ *
+ *  This source code is offered for use in the public domain. You may
+ *  use, modify or distribute it freely.
+ *
+ *  This code is distributed in the hope that it will be useful but
+ *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
+ *  DISCLAIMED. This includes but is not limited to warranties of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *  Date: 2011-09-27
+ */
+
+#ifndef __UCHAR_H
+#define __UCHAR_H
+
+#include <stddef.h>	/* size_t */
+#include <stdint.h>	/* uint_leastXX_t */
+#include <wchar.h>	/* mbstate_t */
+
+/* Remember that g++ >= 4.4 defines these types only in c++0x mode */
+#if !(defined(__cplusplus) && defined(__GXX_EXPERIMENTAL_CXX0X__)) ||	\
+    !defined(__GNUC__) ||						\
+    (!defined(__clang__) && (__GNUC__ < 4 || (__GNUC__ == 4 &&	__GNUC_MINOR__ < 4)))
+typedef uint_least16_t char16_t;
+typedef uint_least32_t char32_t;
+#endif
+
+#ifndef __STDC_UTF_16__
+#define __STDC_UTF_16__ 1
+#endif
+
+#ifndef __STDC_UTF_32__
+#define __STDC_UTF_32__ 1
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+size_t mbrtoc16 (char16_t *__restrict__ pc16,
+		 const char *__restrict__ s,
+		 size_t n,
+		 mbstate_t *__restrict__ ps);
+
+size_t c16rtomb (char *__restrict__ s,
+		 char16_t c16,
+		 mbstate_t *__restrict__ ps);
+
+size_t mbrtoc32 (char32_t *__restrict__ pc32,
+		 const char *__restrict__ s,
+		 size_t n,
+		 mbstate_t *__restrict__ ps);
+
+size_t c32rtomb (char *__restrict__ s,
+		 char32_t c32,
+		 mbstate_t *__restrict__ ps);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __UCHAR_H */