x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
PCAP_LOOKUPNET(3PCAP) PCAP_LOOKUPNET(3PCAP)
NAME
pcap_lookupnet - find the IPv4 network number and netmask for a device
SYNOPSIS
#include <pcap/pcap.h>
char errbuf[PCAP_ERRBUF_SIZE];
int pcap_lookupnet(const char *device, bpf_u_int32 *netp,
bpf_u_int32 *maskp, char *errbuf);
DESCRIPTION
pcap_lookupnet() is used to determine the IPv4 network number and mask
associated with the network device device. Both netp and maskp are
bpf_u_int32 pointers.
RETURN VALUE
pcap_lookupnet() returns 0 on success and PCAP_ERROR on failure. If
PCAP_ERROR is returned, 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)
25 July 2018 PCAP_LOOKUPNET(3PCAP)
Want to link to this manual page? Use this URL:
<http://star2.abcm.com/cgi-bin/bsdi-man?query=pcap_lookupnet&sektion=3pcap&manpath=>