From: Alexander Clouter <alex@digriz.org.uk>
To: netdev@vger.kernel.org
Subject: Re: Use ioctl() to list all network interfaces.
Date: Thu, 6 Jan 2011 17:07:16 +0000 [thread overview]
Message-ID: <4f9hv7-kev.ln1@chipmunk.wormnet.eu> (raw)
In-Reply-To: AANLkTi=Xb4TuKcCd-DgN5ZnYzRHV1RjDScyjRkqyb4P+@mail.gmail.com
Chin Shi Hong <cshong87@gmail.com> wrote:
>
> The following codes are just part of my application's source codes:
>
> --begin of some codes--
> ifconf ifc;
> ret = ioctl(n, SIOCGIFCONF,&ifc);
> --End of some codes--
>
> My application's role is to display all network interfaces, including
> the network interface which are down.
>
> However, with the above codes, my application only display the network
> interface which are already up. The network interface which are down
> will not be displayed.
>
> So, what can I do to make my application display all network
> interfaces, including the network interface which are down?
>
getifaddrs(), you get the IPv6 ones too this way.
Cheers
--
Alexander Clouter
.sigmonster says: I've only got 12 cards.
next prev parent reply other threads:[~2011-01-06 17:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-06 15:33 Use ioctl() to list all network interfaces Chin Shi Hong
2011-01-06 16:11 ` Rémi Denis-Courmont
2011-01-07 5:40 ` Chin Shi Hong
2011-01-06 17:07 ` Alexander Clouter [this message]
2011-01-07 5:41 ` Chin Shi Hong
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