#define __NEED_wint_t
#define __NEED_mbstate_t
+#if __STDC_VERSION__ < 201112L
+#define __NEED_struct__IO_FILE
+#endif
+
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define __NEED_locale_t
#define WCHAR_MIN (-1-0x7fffffff+L'\0')
#endif
-#ifdef __cplusplus
+#if __cplusplus >= 201103L
+#define NULL nullptr
+#elif defined(__cplusplus)
#define NULL 0L
#else
#define NULL ((void*)0)