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Man Pages


Manual Reference Pages  -  PCAP_LOOKUPDEV (3)

NAME

pcap_lookupdev - find the default device on which to capture

CONTENTS

Synopsis
Description
See Also

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(3), pcap_create(3), pcap_activate(3), pcap_open_live(3), pcap_lookupnet(3)
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--> PCAP_LOOKUPDEV (3) 5 April 2008

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