On Tue, Jun 21, 2016 at 06:41:15PM +0200, Edward Bartolo wrote:

[cut]

>
> And
> << if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) >>
>
> would reduce to:
>
> if (isletter(c))
>

or, you could just use "isalpha(c)", as suggested also by Urban.

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