Your question can actually be answered legally. I'm not a lawyer so I'm not going to tell you what those answers are, but there are pretty well established mech

Your question can actually be answered legally. I'm not a lawyer so I'm not going to tell you what those answers are, but there are pretty well established mechanisms to determine if a function is trivial enough to warrant being copyrighted (a lot of this was explored in the SCO vs. IBM saga)