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SubjectRe: using ioctl to change the interface's IP
On Mon, 20 Jul 2009 13:39:21 -0300
Rafael Almeida <almeidaraf@gmail.com> wrote:

> Hello,
>
> I was studying ioctl recently and I found out that, in order to change
> the IP of a certain interface, you have to create a dummy socket with
> socket(2) and use the returned file descriptor in the ioctl call. That
> seems strange to me because the IP is not changed only for that
> particular descriptor, but globally. Why wasn't a new system call
> created for handling situations such as that?

You would have to ask the people who invented the Unix interface in
question about thirty years ago


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