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SubjectQuick Syscall question
Date
Hello,

This may seem like a silly question, however we were all beginning
programmers once ;)

I want to do some manipulating of network interfaces and routing and such. I
am reading through some of the linux net sources but am confused on what are
internal, kernel-only functions and what are externally visable syscalls. How
can I tell from the source what is user-space visable that I can hook into
and what is intternel stuff? Should I just be looking at headers or do I have
to delve into the .c sources? I can do either, I just need a pointer on where
to start and what I should be looking for.

Thanks
--

-EB
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