- definitions of helper functions not specified by the standard (hidden in the
_PDCLIB_* namespace);
-- definitions of data objects, both internal (like digits.c) and specified by
- the standard (errno.c);
+- definitions of data objects, both internal (like _PDCLIB_digits) and specified by
+ the standard (errno);
- test drivers for functionality that does not have its own implementation
file to put the test driver in.