Sorry, me again.
> Instead, each look-up table can be a private array with a pointer to
> its second element, and index that. Sound OK?
Thinking about this a bit more. The "generate C at compile time" can be
dropped by
#ifndef NDEBUG
#if EOF != -1
#error "Please report this to nmh's authors."
#endif
extern int ctype_identity[257]; /* [n] = n-1 */
#define isupper(c) ((isupper)((ctype_identity + 1)[c]))
...
#endif
The single ctype_identity[] can replace one per shadow macro, and we
punt to the stdlib's function for the work.
+1?
--
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy
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