-extern command_ret_t do_fat_read(cmd_tbl_t *, int, int, char * const []);
-extern command_ret_t do_fat_write(cmd_tbl_t *, int, int, char * const []);
+//extern command_ret_t do_fat_read(cmd_tbl_t *, int, int, char * const []);
+//extern command_ret_t do_fat_write(cmd_tbl_t *, int, int, char * const []);
+extern command_ret_t do_fat_rw(cmd_tbl_t *, int, int, char * const []);
+extern command_ret_t do_testarg(cmd_tbl_t *, int, int, char * const []);