diff --git a/sys/snooping.h b/sys/snooping.h
new file mode 100644
index 0000000..45edcf6
--- /dev/null
+++ b/sys/snooping.h
@@ -0,0 +1,15 @@
+// MorgenGrauen MUDlib
+//
+// snooping.h -- Definitionen rund ums Snoopen
+//
+// $Id: snooping.h,v 3.1 1997/02/12 13:04:59 Wargon Exp $
+
+#ifndef _SNOOPING_H_
+#define _SNOOPING_H_
+
+#define SF_LOCKED        1
+#define SF_FORCE         2
+
+#define P_SNOOPFLAGS     "snoopflags"
+
+#endif