1 files changed, 29 insertions, 0 deletions

diff --git a/src/sysstdio.h b/src/sysstdio.h
index e9dfb696059..c97c4f883fc 100644
--- a/src/sysstdio.h
+++ b/src/sysstdio.h
@@ -1,2 +1,31 @@
+/* Standard I/O for Emacs.
+
+Copyright 2013-2015 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <fcntl.h>
 #include <stdio.h>
+
 extern FILE *emacs_fopen (char const *, char const *);
+
+#if O_BINARY
+# define FOPEN_BINARY "b"
+# define FOPEN_TEXT "t"
+#else
+# define FOPEN_BINARY ""
+# define FOPEN_TEXT ""
+#endif