remember if special invocation has ever been used to obtain wint_t,
in which case we need to clean up NULL yet again. */
-# if !(defined _GL_STDDEF_H && defined _GL_STDDEF_WINT_T)
+# if !(defined _@GUARD_PREFIX@_STDDEF_H && defined _GL_STDDEF_WINT_T)
# ifdef __need_wint_t
-# undef _GL_STDDEF_H
+# undef _@GUARD_PREFIX@_STDDEF_H
# define _GL_STDDEF_WINT_T
# endif
# @INCLUDE_NEXT@ @NEXT_STDDEF_H@
#else
/* Normal invocation convention. */
-# ifndef _GL_STDDEF_H
+# ifndef _@GUARD_PREFIX@_STDDEF_H
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_STDDEF_H@
-# ifndef _GL_STDDEF_H
-# define _GL_STDDEF_H
+# ifndef _@GUARD_PREFIX@_STDDEF_H
+# define _@GUARD_PREFIX@_STDDEF_H
/* On NetBSD 5.0, the definition of NULL lacks proper parentheses. */
#if @REPLACE_NULL@
# define wchar_t int
#endif
-# endif /* _GL_STDDEF_H */
-# endif /* _GL_STDDEF_H */
+# endif /* _@GUARD_PREFIX@_STDDEF_H */
+# endif /* _@GUARD_PREFIX@_STDDEF_H */
#endif /* __need_XXX */