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This project is "hard". it's not even clearly specified

[[!template id=project

title="Refactoring Aid for C"

contact="""
[tech-userlevel](mailto:tech-userlevel@NetBSD.org)
"""

mentors="""
[David Young](mailto:dyoung@NetBSD.org)
"""

category="userland"
difficulty="hard"
duration="3 months"

description="""
Write a script that aids refactoring C programs by extracting
subroutines from fragments of C code.

Do not reinvent the wheel:
wherever possible, use existing technology for the parsing and
comprehension of C code. Look at projects such as sparse and
Coccinelle.

Your script should work as a filter that puts the free
variables at the top, encloses the rest in curly braces, does
something helpful with break, continue, and return statements.

That's just a start.

This project is tagged "hard" because it's not clearly specified.
The first step (like with many projects) is to work out the
specification in more detail.

"""
]]