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)

                                                  5 April 2008                             PCAP_LOOKUPDEV(3PCAP)