For Linux, you could look into man page of netdevice(7) for the information
FYI, the code goes like this
{
struct ifreq ifr;
int sd;
/* packet socket */
sd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
ifr.ifr_ifindex=3;
ioctl(sd, SIOCGIFNAME, &ifr);
printf("%s\t\tIndex: %d\n", ifr.ifr_name, ifr.ifr_ifindex);
}
Hope this helps.
Cheers
Chakri
-----Original Message-----
From: linux-net-owner@vger.kernel.org
[mailto:linux-net-owner@vger.kernel.org]On Behalf Of Madhavi Suram
Sent: Friday, November 02, 2001 8:01 PM
To: linux-net@vger.kernel.org
Subject: getting ifname from index
Hi
I want to get the interface name using interface index in userland. Is
there a way of doing this in linux? Do sysctl/ioctl provide this
information in any way? Could you please give me some pointers for this.
thanks & regards
Madhavi.
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