int answer(int card, unsigned long channel)
static int answer(int card, unsigned long channel)
int answer(int card, unsigned long channel) {	if(!IS_VALID_CARD(card)) {		pr_debug("Invalid param: %d is not a valid card id\n", card);		return -ENODEV;	}	if(setup_buffers(card, channel+1, BUFFER_SIZE)) {		hangup(card, channel+1);		return -ENOBUFS;	}	indicate_status(card, ISDN_STAT_BCONN,channel,NULL);	pr_debug("%s: Answered incoming call on channel %s\n",		sc_adapter[card]->devicename, channel+1);	return 0;}