-int create_user_table(const char *dirname, uint32_t uid,
- struct user_info **ui_ptr);
-int read_uid_file(const char *dirname);
-int write_uid_file(const char *dirname);
+int create_user_table(uint32_t uid, struct user_info **ui_ptr);
+int read_uid_file(void);
+int write_uid_file(void);