--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fuhtark_test/include/sec_api/string_s.h	Wed Nov 26 21:36:48 2025 +0700
@@ -0,0 +1,41 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
+#ifndef _INC_STRING_S
+#define _INC_STRING_S
+
+#include <string.h>
+
+#if defined(MINGW_HAS_SECURE_API)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  _CRTIMP errno_t __cdecl _strset_s(char *_Dst,size_t _DstSize,int _Value);
+  _CRTIMP errno_t __cdecl _strerror_s(char *_Buf,size_t _SizeInBytes,const char *_ErrMsg);
+  _CRTIMP errno_t __cdecl _strlwr_s(char *_Str,size_t _Size);
+  _CRTIMP errno_t __cdecl _strlwr_s_l(char *_Str,size_t _Size,_locale_t _Locale);
+  _CRTIMP errno_t __cdecl _strnset_s(char *_Str,size_t _Size,int _Val,size_t _MaxCount);
+  _CRTIMP errno_t __cdecl _strupr_s(char *_Str,size_t _Size);
+  _CRTIMP errno_t __cdecl _strupr_s_l(char *_Str,size_t _Size,_locale_t _Locale);
+#ifndef _WSTRING_S_DEFINED
+#define _WSTRING_S_DEFINED
+  _CRTIMP wchar_t *__cdecl wcstok_s(wchar_t *_Str,const wchar_t *_Delim,wchar_t **_Context);
+  _CRTIMP errno_t __cdecl _wcserror_s(wchar_t *_Buf,size_t _SizeInWords,int _ErrNum);
+  _CRTIMP errno_t __cdecl __wcserror_s(wchar_t *_Buffer,size_t _SizeInWords,const wchar_t *_ErrMsg);
+  _CRTIMP errno_t __cdecl _wcsnset_s(wchar_t *_Dst,size_t _DstSizeInWords,wchar_t _Val,size_t _MaxCount);
+  _CRTIMP errno_t __cdecl _wcsset_s(wchar_t *_Str,size_t _SizeInWords,wchar_t _Val);
+  _CRTIMP errno_t __cdecl _wcslwr_s(wchar_t *_Str,size_t _SizeInWords);
+  _CRTIMP errno_t __cdecl _wcslwr_s_l(wchar_t *_Str,size_t _SizeInWords,_locale_t _Locale);
+  _CRTIMP errno_t __cdecl _wcsupr_s(wchar_t *_Str,size_t _Size);
+  _CRTIMP errno_t __cdecl _wcsupr_s_l(wchar_t *_Str,size_t _Size,_locale_t _Locale);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+#endif