-int CtdlForgetThisRoom(void);
-void cmd_seen(char *argbuf);
-void cmd_gtsn(char *argbuf);
-void BumpNewMailCounter(long);
+#define RENAMEUSER_OK 0 /* Operation succeeded */
+#define RENAMEUSER_LOGGED_IN 1 /* Cannot rename a user who is currently logged in */
+#define RENAMEUSER_NOT_FOUND 2 /* The old user name does not exist */
+#define RENAMEUSER_ALREADY_EXISTS 3 /* An account with the desired new name already exists */
+
+int rename_user(char *oldname, char *newname);
+void reindex_user_928(char *username, void *out_data);
+
+void makeuserkey(char *key, const char *username);
+int CtdlUserCmp(char *s1, char *s2);
+int internal_create_user(char *username, struct ctdluser *usbuf, uid_t uid);
+
+#endif