isalnum not declared

[llewelly@xmission.com]

"Nikolai Nezlobin" <nezlobin@ece.umn.edu> writes:
[snip]
> 
> |
> | What relation does your problem have to thread? Are you one of the
> |     participants in the thread? Are you trying to compile the same
> |     program?
> 
> I started the thread with
> http://gcc.gnu.org/ml/gcc-help/2004-06/msg00123.html .

I am sorry, I was unclear. I meant, what relation does your problem
    have with the thread you linked to at
    http://os2ports.com/pipermail/ux2bs/Week-of-Mon-20030825/thread.html#1096
?