#ifndef _TCHAR_DEFINED
#ifndef RC_INVOKED
typedef wchar_t _TCHAR;
-typedef signed wchar_t _TSCHAR;
-typedef unsigned wchar_t _TUCHAR;
+typedef wchar_t _TSCHAR;
+typedef wchar_t _TUCHAR;
typedef wchar_t _TXCHAR;
/* #if !__STDC__ */
typedef wchar_t TCHAR;