April 2005
Intermediate to advanced
344 pages
11h 59m
English
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Name
pcap_compile — Prototype: int pcap_compile(pcap_t *p, struct bpf_program *fp, char *str, intoptimize, bpf_u_int32 netmask)
Synopsis
Purpose: pcap_compile is used to compile the
tcpdump format filter string
str into a BPF filter fp.
optimize controls whether the resulting code is
optimized (value 1) or not (value
0). netmask is the IPv4 netmask
of the network interface being used for capture. This value can be
obtained using pcap_lookupnet, or it can be
0, in which case some tests for IPv4 broadcast
addresses will not work correctly. pcap_compile
returns 0 on success, -1 on
error. You can find an example of using
pcap_compile 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.