src/org/jnetpcap/Pcap.java
public static void freeAllDevs(List<PcapIf> alldevs, StringBuilder errbuf) {
		// Empty do nothing method, java PcapIf objects currently have no link
		// to C structures and do not need to be freed up. All the C structures
		// used to building PcapIf chains are already free.
		if (alldevs == null || errbuf == null) {
			throw new NullPointerException();
		}
		errbuf.setLength(0);
		alldevs.clear();
	}
/**
	 * This method does nothing. jNetPcap implementation frees up the device list
	 * immediately after its copied into Java objects in java space. The source
	 * structures are immediately released. pcap_freealldevs() is used to free a
	 * list allocated by pcap_findalldevs().
	 * 
	 * @param alldevs
	 *          is set to point to the first element of the list; each element of
	 *          the list is of type PcapIf
	 * @param errbuf
	 *          error buffer containing error message as a string on failure
	 * @since 1.2
	 */
This method does nothing. jNetPcap implementation frees up the device list
immediately after its copied into Java objects in java space. The source
structures are immediately released. pcap_freealldevs() is used to free a
list allocated by pcap_findalldevs().

@param alldevs
is set to point to the first element of the list; each element of
the list is of type PcapIf
@param errbuf
error buffer containing error message as a string on failure
@since 1.2
This method does nothing . jNetPcap implementation frees up the device list immediately after its copied into Java objects in java space . The source structures are immediately released . pcap_freealldevs () is used to free a list allocated by pcap_findalldevs () . @param alldevs is set to point to the first element of the list ; each element of the list is of type PcapIf @param errbuf error buffer containing error message as a string on failure @since 1 . 2
public static void freeAllDevs(List<PcapIf> alldevs, StringBuilder errbuf) {
		if (alldevs == null || errbuf == null) {
			throw new NullPointerException();
		}
		errbuf.setLength(0);
		alldevs.clear();
	}
public static void freeAllDevs ( List < PcapIf > alldevs , StringBuilder errbuf ) { if ( alldevs == null || errbuf == null ) { throw new NullPointerException ( ) ; } errbuf . setLength ( 0 ) ; alldevs . clear ( ) ; }
This method does nothing.
This method does nothing .
// Empty do nothing method, java PcapIf objects currently have no link // to C structures and do not need to be freed up. All the C structures // used to building PcapIf chains are already free.