static int sCck_CheckSaveData_diary_body_YSD(Private_c* priv) {
    return FALSE;
}

static int sCCk_Check_ItemName(mActor_name_t item) {
    /* TODO: do not hardcode this */
    static s16 item1_kinds[ITEM1_CAT_NUM] = { 255, 3, 91, 39, 254, 48, 66, 66, 7, 10, 54, 15, 95, 44, 1, 3 };

    mActor_name_t item_name = (mActor_name_t)item;
    int item_type = ITEM_NAME_GET_TYPE(item_name);
    int res = FALSE;

    if (item_type == NAME_TYPE_ITEM1) {
        int index = ITEM_NAME_GET_INDEX(item_name);
        int category = ITEM_NAME_GET_CAT(item_name);

        if (index < 0 || index > item1_kinds[category] ||
            item_name == ITM_SICKLE /* ??? why is this explicitly invalid... lol */
        ) {
            res = TRUE;
        }
    } else if (item_name != EMPTY_NO && item_type != NAME_TYPE_FTR0 && item_type != NAME_TYPE_FTR1) {
        mFRm_ERRORLINE(110);
        res = TRUE;
    }

    return res;
}

static int sCCk_Check_ItemName_Possession(mActor_name_t item) {
    int res = FALSE;

    if (sCCk_Check_ItemName(item) || (item >= ITM_MY_ORG_UMBRELLA0 && item <= ITM_MY_ORG_UMBRELLA7) ||
        (item >= ITM_RED_PAINT && item <= ITM_BROWN_PAINT) || item == ITM_PRESENT || item == ITM_TOWN_MAP ||
        item == ITM_GOLDEN_NET_PRESENT || item == ITM_GOLDEN_AXE_PRESENT || item == ITM_GOLDEN_SHOVEL_PRESENT ||
        item == ITM_GOLDEN_ROD_PRESENT) {
        mFRm_ERRORLINE(141);
        res = TRUE;
    }

    return res;
}

static int sCck_CheckSaveData_Item_YSD(Private_c* priv) {
    int i;

    for (i = 0; i < mPr_POCKETS_SLOT_COUNT; i++) {
        sCCk_Check_ItemName_Possession(priv->inventory.pockets[i]);
    }

    return FALSE;
}

static int sCck_CheckSaveData_Mail_YSD(Private_c* priv) {
    int res = FALSE;
    int i;

    for (i = 0; i < mPr_INVENTORY_MAIL_COUNT; i++) {
        res |= sChk_Mail_c_sub(priv->mail + i, 0);
    }

    return FALSE;
}

static int sChk_CheckSaveData_YSD() {
    int res = FALSE;
    int i;

    for (i = 0; i < PLAYER_NUM; i++) {
        Private_c* priv = Save_Get(private_data) + i;

        res |= sCck_CheckSaveData_Item_YSD(priv);
        res |= sCck_CheckSaveData_Mail_YSD(priv);
        res |= sCck_CheckSaveData_diary_body_YSD(priv);
    }

    return res;
}