taglinefilesource code
chargeint182drivers/isdn/isdn_net.celse if (jiffies - l->chargetime > l->chargeint)
chargeint296drivers/isdn/isdn_net.clp->chargeint = jiffies - lp->chargetime - (2 * HZ);
chargeint311include/linux/isdn.hint                    chargeint;    /* Interval between charge-infos    */