os_trunc_foo(), os_round_up_foo()
** removed various avoid-evaluating-C-macro-arg-twice
cruft
-* added mechanisms for automatically finding dead symbols in
- package-data.lisp-expr (i.e. those symbols not bound,
- fbound, defined as types, or whatever), and used them
- to remove dead symbols
* Either get rid of or at least rework the fdefinition/encapsulation
system so that (SYMBOL-FUNCTION 'FOO) is identically equal to
(FDEFINITION 'FOO).