-// wint_t is just a typedef for wchar_t for many old compilers but for modern
-// ones it's a separate type and we must provide a conversion to it to allow
-// passing wxUniChar[Ref] to functions taking wint_t such as iswalnum() &c
-#if (defined(__GNUC__) && \
- !defined(__DARWIN__) && !defined(__OS2__) && !defined(__DOS__)) || \
- (defined(__VISUALC__) && defined(_NATIVE_WCHAR_T_DEFINED)) || \
- wxCHECK_SUNCC_VERSION(5, 9)
- #define wxWINT_T_IS_SEPARATE_TYPE
-#endif
-
-// helper macro for doing something dependent on whether wint_t is or isn't a
-// typedef inside another macro
-#ifdef wxWINT_T_IS_SEPARATE_TYPE
- #define wxIF_WINT_T_TYPE(x) x
-#else // !wxWINT_T_IS_SEPARATE_TYPE
- #define wxIF_WINT_T_TYPE(x)
-#endif // wxWINT_T_IS_SEPARATE_TYPE/!wxWINT_T_IS_SEPARATE_TYPE
-
-// wchar_t seems to be defined as unsigned short by all Windows compilers but
-// unsigned int everywhere else
-#ifndef __WIN32__
- #define wxWCHAR_T_IS_UINT
-#endif
-
-class WXDLLIMPEXP_BASE wxUniCharRef;
-class WXDLLIMPEXP_BASE wxStringIteratorNode;