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| author | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
| commit | 754bbf7a25a8dda49b5d08ef0d0443bbf5af0e36 (patch) | |
| tree | f1190704f78f04a2b0b4c977d20fe96a828377f1 /devdocs/c/string%2Fmultibyte%2Fchar8_t.html | |
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diff --git a/devdocs/c/string%2Fmultibyte%2Fchar8_t.html b/devdocs/c/string%2Fmultibyte%2Fchar8_t.html new file mode 100644 index 00000000..56ae4d71 --- /dev/null +++ b/devdocs/c/string%2Fmultibyte%2Fchar8_t.html @@ -0,0 +1,24 @@ + <h1 id="firstHeading" class="firstHeading">char8_t</h1> <table class="t-dcl-begin"> <tr class="t-dsc-header"> <th> Defined in header <code><uchar.h></code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl t-since-c23"> <td> <pre data-language="c">typedef unsigned char char8_t;</pre> +</td> <td class="t-dcl-nopad"> </td> <td> <span class="t-mark-rev t-since-c23">(since C23)</span> </td> </tr> </table> <p><code>char8_t</code> is an unsigned integer type used for UTF-8 and is the same type as <code>unsigned char</code>.</p> +<h3 id="Example"> Example</h3> <div class="t-example"> <div class="c source-c"><pre data-language="c">#include <uchar.h> +#include <stdio.h> + +int main(void) +{ + char8_t str[] = u8"zß水🍌"; // or "z\u00df\u6c34\U0001f34c" + size_t str_sz = sizeof str; // sizeof *str == 1 by definition + printf("%zu UTF-8 code units: [ ", str_sz); + for (size_t n = 0; n < str_sz; ++n) + printf("%02X ", str[n]); + printf("]\n"); +}</pre></div> <p>Possible output:</p> +<div class="text source-text"><pre data-language="c">11 UTF-8 code units: [ 7A C3 9F E6 B0 B4 F0 9F 8D 8C 00 ]</pre></div> </div> <h3 id="References"> References</h3> <ul> +<li> C23 standard (ISO/IEC 9899:2023): </li> +<ul><li> 7.30 Unicode utilities <uchar.h> (p: 410) </li></ul> +</ul> <h3 id="See_also"> See also</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td colspan="2"> <span><a href="https://en.cppreference.com/w/cpp/language/types" title="cpp/language/types">C++ documentation</a></span> for <code>Fundamental types</code> </td> +</tr> </table> <div class="_attribution"> + <p class="_attribution-p"> + © cppreference.com<br>Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.<br> + <a href="https://en.cppreference.com/w/c/string/multibyte/char8_t" class="_attribution-link">https://en.cppreference.com/w/c/string/multibyte/char8_t</a> + </p> +</div> |