Path: utzoo!utgpu!watmath!rbutterworth From: rbutterworth@watmath.waterloo.edu (Ray Butterworth) Newsgroups: comp.std.c Subject: Re: How to use toupper() Message-ID: <23165@watmath.waterloo.edu> Date: 19 Jan 89 19:58:01 GMT References: <2537@xyzzy.UUCP> <189@becker.UUCP> <9256@smoke.BRL.MIL> <23156@watmath.waterloo.edu> Organization: U of Waterloo, Ontario Lines: 11 In article <23156@watmath.waterloo.edu>, rbutterworth@watmath.waterloo.edu (Ray Butterworth) writes: > Drop that requirement and say that they are only defined to work on > values that can be returned by getchar(). Hmm. That's not quite what I meant to say. The functions should be well defined for for all (int) input, with the restriction that except for EOF only the low order byte of the int will be examined. The values returned will be those that can be returned by getchar().