void initializeConcentrator() { ipfixSender = 0; rules = 0; ipfixReceiver = 0; }
struct concentrator * initializeConcentrator() { return((struct concentrator *)calloc(1, sizeof(struct concentrator))); }
void initializeConcentrator() {	ipfixSender = 0;	rules = 0;	ipfixReceiver = 0;	}