April 2005
Intermediate to advanced
344 pages
11h 59m
English
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Name
pcap_lookupnet — Prototype: int pcap_lookupnet(const char *device, bpf_u_int32 *netp, bpf_u_int32
*maskp, char *errbuf)
Synopsis
Purpose: pcap_lookupnet returns the network
address and network mask of the device supplied in the device
parameter. The function returns 0 if successful
and netp and maskp point to the
network interface address and netmask, respectively. If an error
occurs, pcap_lookupnet returns
-1, and errbuf is populated
with a human-readable error message. You can find an example of using
the pcap_lookupnet function in the Section 10.2.4
section earlier in this chapter.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.