void groupdav_common_headers(void);
-void groupdav_main(struct httprequest *, char *, int, char *);
-void groupdav_get(char *);
-void groupdav_put(char *, char *, char *, char *, int);
-void groupdav_delete(char *, char *);
-void groupdav_propfind(char *, int, char *, char *);
-void groupdav_options(char *);
-long locate_message_by_uid(char *);
+void groupdav_main(void);
+void groupdav_get(void);
+void groupdav_put(void);
+void groupdav_delete(void);
+void groupdav_propfind(void);
+void groupdav_options(void);
+
+long locate_message_by_uid(const char *);
void groupdav_folder_list(void);
-void euid_escapize(char *, char *);
-void euid_unescapize(char *, char *);
+void euid_escapize(char *, const char *);
+void euid_unescapize(char *, const char *);
void groupdav_identify_host(void);
+void groupdav_identify_hosthdr(void);