diff --git a/mingw-w64-headers/crt/wchar.h b/mingw-w64-headers/crt/wchar.h
index d9227ef..1dbb463 100644
--- a/mingw-w64-headers/crt/wchar.h
+++ b/mingw-w64-headers/crt/wchar.h
@@ -509,6 +509,26 @@
 /* __attribute__((__format__ (gnu_wprintf, 2, 0))) */ __MINGW_ATTRIB_NONNULL(2)
   int __cdecl __mingw_vswprintf(wchar_t * __restrict__ , const wchar_t * __restrict__ ,va_list);
 
+/* __attribute__((__format__ (ms_wscanf, 2, 3))) */ __MINGW_ATTRIB_NONNULL(2)
+  int __cdecl __ms_swscanf(const wchar_t * __restrict__ _Src,const wchar_t * __restrict__ _Format,...);
+/* __attribute__((__format__ (ms_wscanf, 1, 2))) */ __MINGW_ATTRIB_NONNULL(1)
+  int __cdecl __ms_wscanf(const wchar_t * __restrict__ _Format,...);
+/* __attribute__((__format__ (ms_wscanf, 2, 3))) */ __MINGW_ATTRIB_NONNULL(2)
+  int __cdecl __ms_fwscanf(FILE * __restrict__ _File,const wchar_t * __restrict__ _Format,...);
+
+/* __attribute__((__format__ (ms_wprintf, 2, 3))) */ __MINGW_ATTRIB_NONNULL(2)
+  int __cdecl __ms_fwprintf(FILE * __restrict__ _File,const wchar_t * __restrict__ _Format,...);
+/* __attribute__((__format__ (ms_wprintf, 1, 2))) */ __MINGW_ATTRIB_NONNULL(1)
+  int __cdecl __ms_wprintf(const wchar_t * __restrict__ _Format,...);
+/* __attribute__((__format__ (ms_wprintf, 2, 0))) */__MINGW_ATTRIB_NONNULL(2)
+  int __cdecl __ms_vfwprintf(FILE * __restrict__ _File,const wchar_t * __restrict__ _Format,va_list _ArgList);
+/*__attribute__((__format__ (ms_wprintf, 1, 0))) */ __MINGW_ATTRIB_NONNULL(1)
+  int __cdecl __ms_vwprintf(const wchar_t * __restrict__ _Format,va_list _ArgList);
+/* __attribute__((__format__ (ms_wprintf, 2, 3))) */ __MINGW_ATTRIB_NONNULL(2)
+  int __cdecl __ms_swprintf(wchar_t * __restrict__ , const wchar_t * __restrict__ , ...);
+/* __attribute__((__format__ (ms_wprintf, 2, 0))) */ __MINGW_ATTRIB_NONNULL(2)
+  int __cdecl __ms_vswprintf(wchar_t * __restrict__ , const wchar_t * __restrict__ ,va_list);
+
 #ifdef _UCRT
   int __cdecl __stdio_common_vswprintf(unsigned __int64 options, wchar_t *str, size_t len, const wchar_t *format, _locale_t locale, va_list valist);
   int __cdecl __stdio_common_vfwprintf(unsigned __int64 options, FILE *file, const wchar_t *format, _locale_t locale, va_list valist);