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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. > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > getifaddrs() helpful also. Thank you! Regards, -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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