+#if @GNULIB_FOPEN@
+# if @REPLACE_FOPEN@
+# define fopen rpl_fopen
+extern FILE * fopen (const char *filename, const char *mode);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fopen
+# define fopen(f,m) \
+ (GL_LINK_WARNING ("fopen on Win32 platforms is not POSIX compatible - " \
+ "use gnulib module fopen for portability"), \
+ fopen (f, m))
+#endif
+
+#if @GNULIB_FREOPEN@
+# if @REPLACE_FREOPEN@
+# define freopen rpl_freopen
+extern FILE * freopen (const char *filename, const char *mode, FILE *stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef freopen
+# define freopen(f,m,s) \
+ (GL_LINK_WARNING ("freopen on Win32 platforms is not POSIX compatible - " \
+ "use gnulib module freopen for portability"), \
+ freopen (f, m, s))
+#endif
+