[lwip-devel] [task #14314] Implement interface name/index APIs

[Joel Cunningham]

Follow-up Comment #47, task #14314 (project lwip):

David,

I'm fine with an iterator API, we would just need to ensure the list creation
is atomic in regards to any simultaneous add/remove.  

Creating a list inside the LwIP context ensures this, but maybe a
lighter-weight approach would be to use a generator that is incremented every
time netif_list is modified and we rebuild the list if it changes during
iteration.  That would be a new global int though

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