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| author | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
| commit | 82ba818ff456bcd6d56a06226e3f27e98fbb55c3 (patch) | |
| tree | 158cfc17b2f644a10f063cb546752cfaae12c97f /devdocs/gcc~13/offsetof.html | |
| parent | 9278ddd4ea1a8b1a4c1edaa8894516e3f48d245b (diff) | |
| download | dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.tar.gz dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.zip | |
removing all downloaded devdocs files
Diffstat (limited to 'devdocs/gcc~13/offsetof.html')
| -rw-r--r-- | devdocs/gcc~13/offsetof.html | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/devdocs/gcc~13/offsetof.html b/devdocs/gcc~13/offsetof.html deleted file mode 100644 index 110e909e..00000000 --- a/devdocs/gcc~13/offsetof.html +++ /dev/null @@ -1,14 +0,0 @@ -<div class="section-level-extent" id="Offsetof"> <div class="nav-panel"> <p> Next: <a href="_005f_005fsync-builtins" accesskey="n" rel="next">Legacy <code class="code">__sync</code> Built-in Functions for Atomic Memory Access</a>, Previous: <a href="vector-extensions" accesskey="p" rel="prev">Using Vector Instructions through Built-in Functions</a>, Up: <a href="c-extensions" accesskey="u" rel="up">Extensions to the C Language Family</a> [<a href="index#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="indices" title="Index" rel="index">Index</a>]</p> </div> <h1 class="section" id="Support-for-offsetof"><span>6.53 Support for offsetof<a class="copiable-link" href="#Support-for-offsetof"> ΒΆ</a></span></h1> <p>GCC implements for both C and C++ a syntactic extension to implement the <code class="code">offsetof</code> macro. </p> <div class="example smallexample"> <pre class="example-preformatted" data-language="cpp">primary: - "__builtin_offsetof" "(" <code class="code">typename</code> "," offsetof_member_designator ")" - -offsetof_member_designator: - <code class="code">identifier</code> - | offsetof_member_designator "." <code class="code">identifier</code> - | offsetof_member_designator "[" <code class="code">expr</code> "]"</pre> -</div> <p>This extension is sufficient such that </p> <div class="example smallexample"> <pre class="example-preformatted" data-language="cpp">#define offsetof(<var class="var">type</var>, <var class="var">member</var>) __builtin_offsetof (<var class="var">type</var>, <var class="var">member</var>)</pre> -</div> <p>is a suitable definition of the <code class="code">offsetof</code> macro. In C++, <var class="var">type</var> may be dependent. In either case, <var class="var">member</var> may consist of a single identifier, or a sequence of member accesses and array references. </p> </div><div class="_attribution"> - <p class="_attribution-p"> - © Free Software Foundation<br>Licensed under the GNU Free Documentation License, Version 1.3.<br> - <a href="https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/Offsetof.html" class="_attribution-link">https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/Offsetof.html</a> - </p> -</div> |