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<span id="c-api-index"></span><h1>Python/C API Reference Manual<a class="headerlink" href="#python-c-api-reference-manual" title="Permalink to this headline">ΒΆ</a></h1>
<p>This manual documents the API used by C and C++ programmers who want to write
extension modules or embed Python. It is a companion to <a class="reference internal" href="../extending/index.html#extending-index"><span class="std std-ref">Extending and Embedding the Python Interpreter</span></a>,
which describes the general principles of extension writing but does not
document the API functions in detail.</p>
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<li class="toctree-l1"><a class="reference internal" href="abstract.html">Abstract Objects Layer</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="memory.html#customize-memory-allocators">Customize Memory Allocators</a></li>
<li class="toctree-l2"><a class="reference internal" href="memory.html#the-pymalloc-allocator">The pymalloc allocator</a></li>
<li class="toctree-l2"><a class="reference internal" href="memory.html#tracemalloc-c-api">tracemalloc C API</a></li>
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<li class="toctree-l2"><a class="reference internal" href="structures.html">Common Object Structures</a></li>
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<li class="toctree-l2"><a class="reference internal" href="typeobj.html#number-object-structures">Number Object Structures</a></li>
<li class="toctree-l2"><a class="reference internal" href="typeobj.html#mapping-object-structures">Mapping Object Structures</a></li>
<li class="toctree-l2"><a class="reference internal" href="typeobj.html#sequence-object-structures">Sequence Object Structures</a></li>
<li class="toctree-l2"><a class="reference internal" href="typeobj.html#buffer-object-structures">Buffer Object Structures</a></li>
<li class="toctree-l2"><a class="reference internal" href="typeobj.html#async-object-structures">Async Object Structures</a></li>
<li class="toctree-l2"><a class="reference internal" href="gcsupport.html">Supporting Cyclic Garbage Collection</a></li>
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<li class="toctree-l1"><a class="reference internal" href="apiabiversion.html">API and ABI Versioning</a></li>
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