Index: src/event.c
===================================================================
--- src/event.c	(revision 1279)
+++ src/event.c	(revision 1280)
@@ -9,7 +9,7 @@
 struct event_s {
 	event_handler_t *handler;
 	void *user_data;
-	void *cookie;
+	const char *cookie;
 	event_t *next;
 };
 
@@ -56,7 +56,7 @@
 	}
 }
 
-void event_unbind_cookie(event_id_t ev, void *cookie)
+void event_unbind_cookie(event_id_t ev, const char *cookie)
 {
 	event_t *prev = NULL, *e, *next;
 	if (!(event_valid(ev)))
@@ -74,7 +74,7 @@
 }
 
 
-void event_unbind_allcookie(void *cookie)
+void event_unbind_allcookie(const char *cookie)
 {
 	event_id_t n;
 	for (n = 0; n < EVENT_last; n++)
Index: src/event.h
===================================================================
--- src/event.h	(revision 1279)
+++ src/event.h	(revision 1280)
@@ -45,10 +45,10 @@
 void event_unbind(event_id_t ev, event_handler_t * handler);
 
 /* Unbind by cookie: remove all handlers from an event matching the cookie */
-void event_unbind_cookie(event_id_t ev, void *cookie);
+void event_unbind_cookie(event_id_t ev, const char *cookie);
 
 /* Unbind all by cookie: remove all handlers from all events matching the cookie */
-void event_unbind_allcookie(void *cookie);
+void event_unbind_allcookie(const char *cookie);
 
 /* Event trigger: call all handlers for an event. Fmt is a list of
    format characters (e.g. i for ARG_INT). */