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   pcap_lookupnet.3pcap    ( 3 )

найти номер сети IPv4 и сетевую маску для устройства (find the IPv4 network number and netmask for a device)

Имя (Name)

pcap_lookupnet - find the IPv4 network number and netmask for a device


Синопсис (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);


Описание (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.


Возвращаемое значение (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.


Смотри также (See also)

pcap(3PCAP)