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<a name="uniname_002eh"></a>
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<h1 class="chapter"> <a href="libunistring_toc.html#TOC32">7. Names of Unicode characters <code><uniname.h></code></a> </h1>
<p>This include file implements the association between a Unicode character and
its name.
</p>
<p>The name of a Unicode character allows to distinguish it from other, similar
looking characters. For example, the character ‘<samp>x</samp>’ has the name
<code>"LATIN SMALL LETTER X"</code> and is therefore different from the character
named <code>"MULTIPLICATION SIGN"</code>.
</p>
<dl>
<dt><u>Macro:</u> unsigned int <b>UNINAME_MAX</b>
<a name="IDX232"></a>
</dt>
<dd><p>This macro expands to a constant that is the required size of buffer for a
Unicode character name.
</p></dd></dl>
<dl>
<dt><u>Function:</u> char * <b>unicode_character_name</b><i> (ucs4_t <var>uc</var>, char *<var>buf</var>)</i>
<a name="IDX233"></a>
</dt>
<dd><p>Looks up the name of a Unicode character, in uppercase ASCII.
<var>buf</var> must point to a buffer, at least <code>UNINAME_MAX</code> bytes in size.
Returns the filled <var>buf</var>, or NULL if the character does not have a name.
</p></dd></dl>
<dl>
<dt><u>Function:</u> ucs4_t <b>unicode_name_character</b><i> (const char *<var>name</var>)</i>
<a name="IDX234"></a>
</dt>
<dd><p>Looks up the Unicode character with a given name, in upper- or lowercase
ASCII. <var>NAME</var> can also be an alias name of a character.
Returns the character if found, or <code>UNINAME_INVALID</code> if not found.
</p></dd></dl>
<dl>
<dt><u>Macro:</u> ucs4_t <b>UNINAME_INVALID</b>
<a name="IDX235"></a>
</dt>
<dd><p>This macro expands to a constant that is a special return value of the
<code>unicode_name_character</code> function.
</p></dd></dl>
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