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Date: Wed, 4 Aug 2010 07:57:46 -0400
From: Jim Rees <rees@umich.edu>
To: Neil Brown <neilb@suse.de>
Cc: linux-nfs@vger.kernel.org
Subject: Re: [PATCH 2/3] Give hostname.c more support for IPv6
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Neil Brown wrote:

  +	if (inet_pton(AF_INET, paddr, &sin.sin_addr) == 0 &&
  +	    inet_pton(AF_INET6, paddr, &sin.sin_addr) == 0)
   		return NULL;

Having converted a few apps myself, I wish there were an equivalent to
inet_pton that instead of taking an AF argument, would return the AF that it
found.  Then you could do the above in a single call.