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)
