void xmpp_non_sasl_authenticate(char *, char *, char *, char *);
void xmpp_massacre_roster(void);
void xmpp_delete_old_buddies_who_no_longer_exist_from_the_client_roster(void);
-int xmpp_is_visible(struct CitContext *cptr);
+int xmpp_is_visible(struct CitContext *from, struct CitContext *to_whom);