void cmd_agup (char *cmdbuf);
void cmd_asup (char *cmdbuf);
void cmd_view (char *cmdbuf);
+void cmd_renu (char *cmdbuf);
int NewMailCount(void);
int InitialMailCheck(void);
void put_visit(struct visit *newvisit);
void cmd_gtsn(char *argbuf);
void BumpNewMailCounter(long);
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);