Re: ANSI-C like ctype macros for Unicode.

From: Frank Rojas (
Date: Sat Feb 18 1995 - 15:03:39 EST

> From root Wed Feb 15 05:04:19 1995
> Date: Wed, 15 Feb 95 02:04:18 -0800
> From: unicode@Unicode.ORG
> Hi,
> I am looking for ANSI-C type alike macros and functions like they
> are found in the ctype.h header file.
> It contains for example: isalnum,isalpha,isdigit....
> I know that things can get more complicated with Unicode but I have
> to start somewhere.

Peter, with AIX 4.1 we ship thea "Developers Toolkit for Unicode" that
contains the source file for the UNIVERSAL locale that defines the LC_CTYPE
behavior which includes a lot of what you want.

If you can get a hold of a AIX 4.1 system with the toolkit installed then
you should be able to find it in

In source form it is approx. .75M ... so I am not including it in this

If you desire, I can send it to you.

John, can you check about putting this on the Unicode server?

> If these functions are not available, are there any tables available
> from which these functions can be build up more easily.

When running under the UNIVERSAL locale all the standard ANSI functions
provide Unicode classification.


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