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<div class="subsection-level-extent" id="Traditional-GNU-Objective-C-runtime-API"> <div class="nav-panel"> <p> Previous: <a href="modern-gnu-objective-c-runtime-api" accesskey="p" rel="prev">Modern GNU Objective-C Runtime API</a>, Up: <a href="gnu-objective-c-runtime-api" accesskey="u" rel="up">GNU Objective-C Runtime API</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="subsection" id="Traditional-GNU-Objective-C-Runtime-API"><span>8.1.2 Traditional GNU Objective-C Runtime API<a class="copiable-link" href="#Traditional-GNU-Objective-C-Runtime-API"> ¶</a></span></h1> <p>The GNU Objective-C runtime used to provide a different API, which we call the “traditional” GNU Objective-C runtime API. Functions belonging to this API are easy to recognize because they use a different naming convention, such as <code class="code">class_get_super_class()</code> (traditional API) instead of <code class="code">class_getSuperclass()</code> (modern API). Software using this API includes the file <samp class="file">objc/objc-api.h</samp> where it is declared. </p> <p>Starting with GCC 4.7.0, the traditional GNU runtime API is no longer available. </p> </div><div class="_attribution">
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