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From: dieter@lynn.cs.ucla.edu (Dieter Rothmeier)
Newsgroups: comp.protocols.tcp-ip,comp.unix.wizards
Subject: What is INADDR_LOOPBACK for in sockets?
Message-ID: <29665@shemp.CS.UCLA.EDU>
Date: 1 Dec 89 22:12:06 GMT
Sender: news@CS.UCLA.EDU
Reply-To: dieter@lynn.cs.ucla.edu (Dieter Rothmeier)
Distribution: na
Organization: UCLA Computer Science Department
Lines: 16

While reading some code, I came across the following
construct:

struct sockaddr_in sin;
....
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
...


I know about INADDR_ANY, but I've never seen this one.
It's defined in <netinet/in.h>. I looked through the
documentation (this is on a Sun 3/80) quite extensively,
but couldn't find anything.

Any help would be appreciated.
Dieter


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