bionic (3) pcap_lookupdev.3pcap.gz

Provided by: libpcap0.8-dev_1.8.1-6ubuntu1.18.04.2_amd64 bug

NAME
       pcap_lookupdev - find the default device on which to capture


SYNOPSIS
       #include <pcap/pcap.h>

       char errbuf[PCAP_ERRBUF_SIZE];

       char *pcap_lookupdev(char *errbuf);


DESCRIPTION
       pcap_lookupdev()  returns a pointer to a string giving the name of a network device suitable for use with
       pcap_create() and pcap_activate(), or with pcap_open_live(), and with pcap_lookupnet().  If there  is  an
       error,  NULL is returned and errbuf is filled in with an appropriate error message.  errbuf is assumed to
       be able to hold at least PCAP_ERRBUF_SIZE chars.


SEE ALSO
       pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP), pcap_open_live(3PCAP), pcap_lookupnet(3PCAP)

                                                 3 January 2014                            PCAP_LOOKUPDEV(3PCAP)