diff --git a/const.h b/const.h
new file mode 100644
index 0000000..b0babc6
--- /dev/null
+++ b/const.h
@@ -0,0 +1,9 @@
+#ifndef __CONST_H_
+#define __CONST_H_
+
+#define REJECT -1
+#define ACCEPT -2
+
+#endif
+
+