devdocs/c/17.html


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    <h1 id="firstHeading" class="firstHeading">C17</h1>            <p><b>ISO/IEC 9899:2018</b>, a.k.a. <b>C17</b>/<b>C18</b> (denote the year of completion and publication respectively), is the current revision of the C standard.</p>
<p>C17 is same as C11, except that it bumps the <a href="preprocessor/replace" title="c/preprocessor/replace"><code>__STDC_VERSION__</code></a> predefined macro to <code>201710L</code>, contains several defect reports, and deprecates some features.</p>
<h2 id="Obsolete"> Obsolete</h2> <h3 id="Deprecated"> Deprecated</h3> <ul>
<li> <code><a href="atomic/atomic_var_init" title="c/atomic/ATOMIC VAR INIT">ATOMIC_VAR_INIT</a></code> </li>
<li> Support for calling <a href="memory/realloc" title="c/memory/realloc"><code>realloc()</code></a> with zero size </li>
</ul> <h2 id="Defect_reports"> Defect reports</h2> <div style="margin-left:0px"> <table class="mw-collapsible mw-collapsed"> <tr> <th>Defect Reports fixed in C17 (54 defects) </th>
</tr> <tr> <td>  <ul>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_400">DR 400</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_401">DR 401</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_402">DR 402</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_403">DR 403</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_404">DR 404</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_405">DR 405</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_406">DR 406</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_407">DR 407</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_410">DR 410</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_412">DR 412</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_414">DR 414</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_415">DR 415</a> </li>
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<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_430">DR 430</a> </li>
<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_431">DR 431</a> </li>
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<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_434">DR 434</a> </li>
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<li> <a rel="nofollow" class="external text" href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2244.htm#dr_491">DR 491</a> </li>
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