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NetBSD 6.1.5 - man page for pcap_lookupdev (netbsd section 3)

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PCAP_LOOKUPDEV(3)								PCAP_LOOKUPDEV(3)

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 suit-
       able 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(3), pcap_create(3), pcap_activate(3), pcap_open_live(3), pcap_lookupnet(3)

					   5 April 2008 			PCAP_LOOKUPDEV(3)
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