-/* Define EILSEQ and ENOTSUP as portably as possible. Some
- nonstandard systems, like SunOS 4, don't have EILSEQ. Others, like
- BSD/OS 4.1, define it in <wchar.h>. Callers that use EILSEQ and/or
- ENOTSUP and that want to be portable to these nonstandard systems
- should mimic the following includes and defines. */
-
-/* BSD/OS 4.1 wchar.h defines EILSEQ, but it requires FILE (defined in
- <stdio.h>, included above) and struct tm (defined in <time.h>) to
- be declared. */
-#if HAVE_WCHAR_H && ! defined EILSEQ
-# include <time.h>
-# include <wchar.h>