>> Can anybody give me a hint on where I should look? Which directory
>> should I put my .h file for it to compile correctly and end up in
>> /usr/include. How should my .h file look. Any good examples?
>
>Have a look at src/lib/libc, it contains all the stubs for system calls
>(plus a lot of other stuff :-).

i actually did this last year for some silly reason.  :)

here's what was suggested to me as a reference

   http://www.netbsd.org/Documentation/kernel/programming.html#adding_a_system_call

and what i actually ended up doing

   http://mail-index.netbsd.org/current-users/1999/08/08/0003.html

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