Hello Rich
Sorry, again.
I wrote a simple C program using your guidelines but unfortunately it does
not work well:
The program is as follows:

#include        <stdio.h>
#include        <errno.h>
#include        <stdlib.h>
#include        <string.h>
#include        <locale.h>
#include        <langinfo.h>


int     main    (
                       int     argc,
                       char    *argv[]
               )
{
       FILE    *input_file;

       char    buffer[1024];

       if (!setlocale (LC_CTYPE, ""))
       {
               fprintf (stderr, "Locale not specified. Check LC_ALL,
LC_CTYPE or LANG.\n");
               return  EXIT_FAILURE;
       }

       if (!(input_file = fopen ("./in.txt", "r")))
       {
               fprintf (stderr, "Could not open file : %s\n", strerror
(errno));
               return  EXIT_FAILURE;
       }

       fgets (buffer, sizeof (buffer), input_file);
       fprintf (stdout, "%s", buffer);

       return  EXIT_SUCCESS;
}

The program does not print the line read from the file to stdout (some junks
are printed). I also used "cat ./persian.txt | iconv -t utf-8 > in.txt" to
produce a UTF-8 oriented file.

Best Regards
Ali

On 4/17/07, Rich Felker <[EMAIL PROTECTED]> wrote:

On Tue, Apr 17, 2007 at 10:46:44AM +0430, Ali Majdzadeh wrote:
> Hello Rich
> Thanks for your response.
> About your question, I should say "yes", I need some text processing
> capabilities.

OK.

> Do you mean that I should use common stdio functions? (like, fgets(),
...)

Yes, they'll work fine.

> And what about UTF-8 strings? Do you mean that these strings should be
> stored in common char*

Yes.

> variables? So, what about the character size defference (Unicode and
ASCII)?
> And also, string functions? (like, strtok())

strtok, strsep, strchr, strrchr, strpbrk, strspn, and strcspn will all
work just fine on UTF-8 strings as long as the separator characters
you're looking for are ASCII.

strstr always works on UTF-8, and can be used in place of strchr to
search for single non-ascii characters or longer substrings.

Rich

--
Linux-UTF8:   i18n of Linux on all levels
Archive:      http://mail.nl.linux.org/linux-utf8/


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