Which gets rid of 13 redundant translation units. Definitely a good
start, before I figure out how to best handle the more complicated
cases.
(Maintenance mode commit)
*Finally*. We already used `(unsigned) int` in quite a few places where
we actually want a 16-bit value, which was bound to annoy future port
developers.
Yet another set of questionable C reimplementations of master.lib functions to
waste my time. And half of them, including z_text_(v)putsa, aren't even called
anywhere.