if (ipfixCollector->receiver_type != UNKNOWN)
if (ipfixCollector->receiver_type != UNKNOWN && ipfixCollector->receiver_functions.hasPacketProcessor(ipfixCollector->receiver))
int startIpfixCollector(IpfixCollector* ipfixCollector) {	if (ipfixCollector->receiver_type != UNKNOWN)		return ipfixCollector->receiver_functions.startReceiver(ipfixCollector->receiver);		return -1;        }