+#if (((defined __need_mbstate_t || defined __need_wint_t) \
+ && !defined __MINGW32__ && !defined __KLIBC__) \
+ || (defined __hpux \
+ && ((defined _INTTYPES_INCLUDED && !defined strtoimax) \
+ || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) \
+ || defined _GL_ALREADY_INCLUDING_WCHAR_H)