[jghn]

> Pretty quickly you're talking about includes, macros, libc, linking, machine code, system calls..

Maybe?

> The fun thing is there's no "right" answer

And this is the key. keep an open dialogue. Always probe a layer or two down. Don't enter with preconceived notions of what's "right'. It turns out very few things in our field are binary (har har).

Instead - can they talk shop? Can they demonstrate that they didn't just read some crap from a blog? Is this from experience? Do you like them? Do you think they'll get along?