--- /dev/null
+/* 7.28 <uchar.h>
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+
+#ifndef _PDCLIB_UCHAR_H
+#define _PDCLIB_UCHAR_H
+#include <_PDCLIB_encoding.h>
+_PDCLIB_BEGIN_EXTERN_C
+
+/* This is mostly a placeholder. for now. This header will be completed by the
+ * release of 0.6, but at present merely exposes types needed by the rest of the
+ * library
+ */
+
+#ifndef _PDCLIB_SIZE_T_DEFINED
+#define _PDCLIB_SIZE_T_DEFINED _PDCLIB_SIZE_T_DEFINED
+typedef _PDCLIB_size_t size_t;
+#endif
+
+#ifndef _PDCLIB_MBSTATE_T_DEFINED
+#define _PDCLIB_MBSTATE_T_DEFINED _PDCLIB_MBSTATE_T_DEFINED
+typedef struct _PDCLIB_mbstate_t mbstate_t;
+#endif
+
+#ifndef __cplusplus
+#ifndef _PDCLIB_CHAR16_T_DEFINED
+#define _PDCLIB_CHAR16_T_DEFINED _PDCLIB_CHAR16_T_DEFINED
+typedef _PDCLIB_char16_t char16_t;
+#endif
+
+#ifndef _PDCLIB_CHAR32_T_DEFINED
+#define _PDCLIB_CHAR32_T_DEFINED _PDCLIB_CHAR32_T_DEFINED
+typedef _PDCLIB_char32_t char32_t;
+#endif
+
+#endif
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