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copied!<blockquote> <p>I've been googling a little bit and found some wchar_t type, but there was not any simple example how to use it with files.</p> </blockquote> <p>Well met. There weren't any simple examples because, unfortunately, proper character set support <strong>isn't simple</strong>.</p> <p><em>Aside: In an ideal world, everybody would use UTF-8 (a Unicode encoding that is memory-efficient, robust, and backward-compatible with ASCII), the standard C library would include UTF-8 encoding-decoding support, and the answer to this question (and dealing with text in general) would be simple and straightforward.</em></p> <p>The answer to the question "<a href="https://stackoverflow.com/questions/114611/what-is-the-best-unicode-library-for-c">What is the best unicode library for C?</a>" is to use the <a href="http://site.icu-project.org/" rel="nofollow noreferrer">ICU</a> library. You may want to look at <a href="http://icu-project.org/apiref/icu4c/ustdio_8h.html" rel="nofollow noreferrer">ustdio.h</a>, as it has a <a href="http://icu-project.org/apiref/icu4c/ustdio_8h.html#afbed21b23ad994d4c4f83e4fe3e8a890" rel="nofollow noreferrer"><code>u_fgetc</code></a> function, and adding Unicode support to your program will probably take little more than typing <code>u_</code> a few times.</p> <p>Also, if you can spare a few minutes for some light reading, you may want to read <a href="http://www.joelonsoftware.com/articles/Unicode.html" rel="nofollow noreferrer">The Absolute Minimum Every Software Developer Absolutely, Positively Must Know about Unicode and Character Sets (No Excuses!)</a> from Joel On Software.</p> <p>I, personally, have never used ICU, but I probably will from now on :-)</p>

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