-int fuzzy_match(struct usersupp *us, char *matchstring);
-void process_rfc822_addr(char *rfc822, char *user, char *node, char *name);
-char *rfc822_fetch_field(char *rfc822, char *fieldname);
-
-
-int convert_internet_address(char *destuser, char *desthost, char *source);
-enum {
- rfc822_address_locally_validated,
- rfc822_no_such_user,
- rfc822_address_on_citadel_network,
- rfc822_address_nonlocal,
- rfc822_room_delivery
-};
-
+int fuzzy_match(struct ctdluser *us, char *matchstring);
+void process_rfc822_addr(const char *rfc822, char *user, char *node, char *name);
+char *rfc822_fetch_field(const char *rfc822, const char *fieldname);