int item_id_req = 501;  // item id
    int item_qty_req = 5;   // item quantity
    int i = 0, found = 0;

    for (; i < MAX_INVENTORY; i++)
    {
        if (sd->status.inventory[i].nameid == item_id_req &&
            sd->status.inventory[i].amount >= item_qty_req &&
            !sd->status.inventory[i].equip &&
            sd->status.inventory[i].identify)
        {
            found = 1;
        }
        else
            continue;
    }

    if (!found)
    {
        sprintf(atcmd_output, "You need %dx %s in order to use this command", item_qty_req, itemdb_jname(item_id_req));
        clif_displaymessage(sd->fd, atcmd_output);
        return -1;
    }