+void CtdlSetPassword(char *new_pw);
+
+int CtdlForgetThisRoom(void);
+
+void cmd_newu (char *cmdbuf);
+void start_chkpwd_daemon(void);
+
+
+#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);