pcap libs

["dupe check" <dupecheck () disinfo net>]

Hi
I was just looking through the nmap code for the first time a few days back, haven't really had a chance to go through 
it properly yet, but one thing i did notice was the use of the pcap libs.  I was just wondering what exactly is the 
wisdom behind this? Whenever I have needed to use raw sockets in the past, the standard API has always provided all the 
packet data i needed, and I can't see why nmap would need anything more.  Maybe I'm just being thick, but it does seem 
strange

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