static void     cb_history_float_cb(const ZBX_HISTORY_FLOAT *history, int history_num)
{
        int     i;

        for (i = 0; i < history_num; i++)
        {
    zabbix_log(LOG_LEVEL_INFORMATION, "float %d: %f %d", history[i].itemid, history[i].value, history[i].clock);
        }
}

static void     cb_history_integer_cb(const ZBX_HISTORY_INTEGER *history, int history_num)
{
        int     i;

        for (i = 0; i < history_num; i++)
        {
          zabbix_log(LOG_LEVEL_INFORMATION, "int %d: %u %d", history[i].itemid, history[i].value, history[i].clock);
        }
}

ZBX_HISTORY_WRITE_CBS   zbx_module_history_write_cbs(void)
{
        static ZBX_HISTORY_WRITE_CBS    cb_callbacks =
        {
                cb_history_float_cb,
                cb_history_integer_cb,
    NULL, NULL, NULL
        };

        return cb_callbacks;
}