OPT_OPTIONAL
"list_entry", OPT_OPTIONAL, list_entry, 1, /* PUB */
"update_temp", OPT_OPTIONAL, update_temp, 0, /* reboot */
"list_setting", OPT_OPTIONAL, list_setting, 1, /* menu */
"list", OPT_OPTIONAL, list_archive, 1, /* PUB */
if (table[i].option != OPT_OPTIONAL) {
"list_entry", OPT_OPTIONAL, list_entry, 1, /* PUB */
"update_temp", OPT_OPTIONAL, update_temp, 0, /* reboot */
"list_setting", OPT_OPTIONAL, list_setting, 1, /* menu */