--- Libc/Libc-997.1.1/include/inttypes.h
+++ Libc/Libc-825.24/include/inttypes.h
@@ -249,7 +249,12 @@
   extern intmax_t strtoimax(const char * restrict nptr, char ** restrict endptr, int base);
   extern uintmax_t strtoumax(const char * restrict nptr, char ** restrict endptr, int base);
 
-#include <sys/_types/_wchar_t.h>
+#ifndef __cplusplus /* wchar_t is a built-in type in C++ */
+#  ifndef	_WCHAR_T
+#    define	_WCHAR_T
+     typedef	__darwin_wchar_t	wchar_t;
+#  endif /* _WCHAR_T */
+#endif /* __cplusplus */
 
   /* 7.8.2.4 */
   extern intmax_t wcstoimax(const wchar_t * restrict nptr, wchar_t ** restrict endptr, int base);