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Message-ID: <AANLkTik8vvY4Qk3iX+CFcDrUV6Dki2MA2tU5ji9R_uqW@mail.gmail.com>
Date: Fri, 7 Jan 2011 13:41:31 +0800
From: Chin Shi Hong <cshong87@...il.com>
To: Alexander Clouter <alex@...riz.org.uk>
Cc: netdev@...r.kernel.org
Subject: Re: Use ioctl() to list all network interfaces.
On Fri, Jan 7, 2011 at 1:07 AM, Alexander Clouter <alex@...riz.org.uk> wrote:
> Chin Shi Hong <cshong87@...il.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.
>
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getifaddrs() helpful also. Thank you!
Regards,
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