diff --git a/src/ets_logout.h b/src/ets_logout.h
new file mode 100644
index 0000000..20844b0
--- /dev/null
+++ b/src/ets_logout.h
@@ -0,0 +1,16 @@
+/********************************************************************\
+
+  Name:         ets_logout.h
+  Created by:   Andreas Suter   2005/04/19
+
+  Contents:     declaration of a routine to logout a specific port
+                of the ets terminal server.
+
+\********************************************************************/
+
+#ifndef _ETS_LOGOUT_
+#define _ETS_LOGOUT_
+
+int ets_logout(void *info, int wait, int detailed_msg);
+
+#endif // _ETS_LOGOUT_