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If I recall, isalpha() tests one character at a time.

I think the prototype should look something like this (I didn't test it):

     d isalpha         pr            10i 0 extproc('isalpha')
     d  testchar                      1    value

If the character is alphabetic, the function will return 1, otherwise 0.



> -----Original Message-----
> From: Eric Kempter [mailto:EKempter@norcalwaste.com]
> Sent: Wednesday, January 23, 2002 12:52 PM
> To: midrange-l@midrange.com
> Subject: isalpha
>
>
> Would someone please give me an example of how to use the isalpha C
> runtime function within an ILE pgm.  I have printed examples on how to
> use C functions from the archives and referenced the Sorcerer's guide
> but I am missing something.  The following is my (failing) code.  I am
> attempting to determine if any alpha characters exist within a string.
>
> H dftactgrp(*no) bnddir('QC2LE')
> D num             s             10I 0
> D str                s            10    inz('ABC')
> D isalpha         pr                  ExtProc('isalpha')
> D                                   10I 0 Value
> C                   eval      num = isalpha(str)
> C     num        dsply
> C                   eval      *inlr = *on
>
> Parts of the code was provided to midrange-l by Hans Boldt.  TIA.
> _______________________________________________


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