pcap_lookupdev man page on Slackware
[printable version]
PCAP_LOOKUPDEV(3PCAP) PCAP_LOOKUPDEV(3PCAP)
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)
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