add example on how to use SUN_LEN()
fixed lib/34744 by Christian Biere
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@ -1,4 +1,4 @@
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.\" $NetBSD: unix.4,v 1.13 2003/08/07 10:31:04 agc Exp $
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.\" $NetBSD: unix.4,v 1.14 2006/10/08 13:08:33 pooka Exp $
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.\"
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.\" Copyright (c) 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -29,7 +29,7 @@
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.\"
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.\" @(#)unix.4 8.1 (Berkeley) 6/9/93
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.\"
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.Dd May 15, 2003
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.Dd October 8, 2006
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.Dt UNIX 4
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.Os
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.Sh NAME
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@ -97,6 +97,13 @@ field must be terminated by a NUL character to be used with
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but the terminating NUL is
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.Em not
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part of the address.
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Example:
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.Bd -literal -offset indent
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memset(&sunx, 0, sizeof(sunx));
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sunx.sun_family = AF_LOCAL;
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strlcpy(sunx.sun_path, THE_PATH, sizeof(sunx.sun_path));
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rv = bind(s, (struct sockaddr *)&sunx, SUN_LEN(&sunx));
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.Ed
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.Pp
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The
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.Tn UNIX Ns -domain
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