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-rw-r--r--babeld/route.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/babeld/route.h b/babeld/route.h
index e38f1577..c08332a6 100644
--- a/babeld/route.h
+++ b/babeld/route.h
@@ -37,6 +37,9 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
+#ifndef BABEL_ROUTE_H
+#define BABEL_ROUTE_H
+
#include "babel_interface.h"
#include "source.h"
@@ -102,3 +105,5 @@ void expire_routes(void);
void babel_uninstall_all_routes(void);
struct babel_route *babel_route_get_by_source(struct source *src);
+
+#endif