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Diffstat (limited to 'src/sysstdio.h')
-rw-r--r--src/sysstdio.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/sysstdio.h b/src/sysstdio.h
index c97c4f883f..166823049d 100644
--- a/src/sysstdio.h
+++ b/src/sysstdio.h
@@ -17,6 +17,9 @@ 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/>. */
+#ifndef EMACS_SYSSTDIO_H
+#define EMACS_SYSSTDIO_H
+
#include <fcntl.h>
#include <stdio.h>
@@ -29,3 +32,5 @@ extern FILE *emacs_fopen (char const *, char const *);
# define FOPEN_BINARY ""
# define FOPEN_TEXT ""
#endif
+
+#endif /* EMACS_SYSSTDIO_H */