diff --git a/secure/telnetneg-structs.c b/secure/telnetneg-structs.c
new file mode 100644
index 0000000..3efeeae
--- /dev/null
+++ b/secure/telnetneg-structs.c
@@ -0,0 +1,47 @@
+// MorgenGrauen MUDlib
+//
+// telnetneg-structs.c -- Structs fuer die Telnet Option handler
+//
+#pragma strict_types,save_types
+#pragma range_check
+#pragma no_clone
+#pragma no_shadow
+#pragma pedantic
+
+struct to_state_s {
+  int localside;      // wish for the local side (MUD)
+  int remoteside;     // wish for the remote side (CLIENT)
+  int *sbdata;        // last SB data sent/received by us
+};
+
+struct telopt_s {
+  int option;
+   // Receivehandler, wird gerufen, wenn wir vom Client irgendwas bzgl. dieser
+   // Telnet Option empfangen. Wenn gesetzt, darf der Client die Option
+   // einschalten.
+  closure remotehandler;
+  // Wird gerufen, wenn die Option auf unserer Seite eingeschaltet wurde.
+  // Wenn gesetzt, soll versucht werden, die Option auf Mudseite
+  // einzuschalten
+  closure localhandler;
+  // Die Wuensche _waehrend_ einer Verhandlung (bzw. gesendete (lo_wishes) und
+  // empfangene (re_wishes) SB-Daten auch ausserhalb von Verhandlungen).
+  struct to_state_s lo_wishes;    // our wishes (sent by us)
+  struct to_state_s re_wishes;    // remote wishes (received by us)
+  // currently effective/active state
+  struct to_state_s state;
+  // data used by the handlers - NOT USED BY this program!
+  mixed data;
+};
+/* explanations:
+   telopt_s->lo_wishes->localside: the state we want to be in  (WILL/WONT)
+   telopt_s->lo_wishes->remoteside: the state we want the other side to
+                                    be in  (DO/DONT)
+   telopt_s->re_wishes->localside: the state the other side wants US to be in
+                                   (DO/DONT)
+   telopt_s->re_wishes->remoteside: the state the other side wants to be in
+                                    (WILL/WONT)
+   telopt_s->state:   the currently effective state of the option on the two
+                      sides.
+   */
+