diff --git a/src/run.h b/src/run.h
new file mode 100644
index 0000000..68ea38c
--- /dev/null
+++ b/src/run.h
@@ -0,0 +1,19 @@
+#ifndef _RUN_H
+#define _RUN_H
+
+#ifdef IOAWAIT
+int Loop(context_t *C0, char service);
+#else
+int Loop(context_t *C0);
+#endif
+#if HAS_NET > 0
+#if HAS_NET_ROUTING > 0
+int MessageHandlerCode(port_t *P,message_t *m);
+#else
+int MessageHandlerCode  (port_t *P, message_type_t m);
+int MessageHandlerEvent (port_t *P, message_type_t m);
+int MessageHandlerUser  (port_t *P, message_type_t m);
+#endif
+#endif
+#endif
+