Trying to print out unicode chars in a loop ...

I think you need to hardcode the \uXXXX
More exercises

Nothing too terribly interesting in these but I'm typing them all in by
hand anyway to build familiarity with C. Also, typing it in builds
familiarity with the code itself, where copying and pasting doesn't: if
I copy and paste the code feels like someone else's, but when I type it
in I take ownership of it and don't mind toying with it.