Path: utzoo!attcan!uunet!mcsun!ukc!strath-cs!baird!jim
From: jim@cs.strath.ac.uk (Jim Reid)
Newsgroups: comp.unix.questions
Subject: Re: What is sin_zero for?
Message-ID: <JIM.90Oct17174526@baird.cs.strath.ac.uk>
Date: 17 Oct 90 16:45:26 GMT
References: <MJD.90Oct16130739@saul.cis.upenn.edu>
Sender: jim@cs.strath.ac.uk
Distribution: comp
Organization: Computer Science Dept., Strathclyde Univ., Glasgow, Scotland.
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In-reply-to: mjd@saul.cis.upenn.edu's message of 16 Oct 90 17:07:39 GMT

In article <MJD.90Oct16130739@saul.cis.upenn.edu> mjd@saul.cis.upenn.edu (Mark-Jason Dominus) writes:

   The defininition of struct sockaddr_in in the <netinet/in.h>
   files on our suns has four members, one of which is 
		   char sin_zero[8];

   What is it for?

Nothing. It's purely to pad out the sockaddr_in struct to 16 bytes,
the size of the generic sockaddr structure in <sys/socket.h>.

		Jim