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There are only two booleans, <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_False</span></code> and <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_True</span></code>. As such, the normal creation and deletion functions don’t apply to booleans. The following macros are available, however.</p> <dl class="c function"> <dt class="sig sig-object c" id="c.PyBool_Check"> <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PyBool_Check</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">o</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyBool_Check" title="Permalink to this definition">¶</a><br /></dt> <dd><p>Return true if <em>o</em> is of type <code class="xref c c-data docutils literal notranslate"><span class="pre">PyBool_Type</span></code>. This function always succeeds.</p> </dd></dl> <dl class="c var"> <dt class="sig sig-object c" id="c.Py_False"> <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">Py_False</span></span></span><a class="headerlink" href="#c.Py_False" title="Permalink to this definition">¶</a><br /></dt> <dd><p>The Python <code class="docutils literal notranslate"><span class="pre">False</span></code> object. This object has no methods. It needs to be treated just like any other object with respect to reference counts.</p> </dd></dl> <dl class="c var"> <dt class="sig sig-object c" id="c.Py_True"> <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">Py_True</span></span></span><a class="headerlink" href="#c.Py_True" title="Permalink to this definition">¶</a><br /></dt> <dd><p>The Python <code class="docutils literal notranslate"><span class="pre">True</span></code> object. This object has no methods. It needs to be treated just like any other object with respect to reference counts.</p> </dd></dl> <dl class="c macro"> <dt class="sig sig-object c" id="c.Py_RETURN_FALSE"> <span class="sig-name descname"><span class="n"><span class="pre">Py_RETURN_FALSE</span></span></span><a class="headerlink" href="#c.Py_RETURN_FALSE" title="Permalink to this definition">¶</a><br /></dt> <dd><p>Return <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_False</span></code> from a function, properly incrementing its reference count.</p> </dd></dl> <dl class="c macro"> <dt class="sig sig-object c" id="c.Py_RETURN_TRUE"> <span class="sig-name descname"><span class="n"><span class="pre">Py_RETURN_TRUE</span></span></span><a class="headerlink" href="#c.Py_RETURN_TRUE" title="Permalink to this definition">¶</a><br /></dt> <dd><p>Return <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_True</span></code> from a function, properly incrementing its reference count.</p> </dd></dl> <dl class="c function"> <dt class="sig sig-object c" id="c.PyBool_FromLong"> <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">PyBool_FromLong</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="n"><span class="pre">v</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyBool_FromLong" title="Permalink to this definition">¶</a><br /></dt> <dd><em class="refcount">Return value: New reference.</em><em class="stableabi"> Part of the <a class="reference internal" href="stable.html#stable"><span class="std std-ref">Stable ABI</span></a>.</em><p>Return a new reference to <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_True</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">Py_False</span></code> depending on the truth value of <em>v</em>.</p> </dd></dl> </section> <div class="clearer"></div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="long.html" title="previous chapter">Integer Objects</a></p> <h4>Next topic</h4> <p class="topless"><a href="float.html" title="next chapter">Floating Point Objects</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li> <a href="https://github.com/python/cpython/blob/3.10/Doc/c-api/bool.rst" rel="nofollow">Show Source </a> </li> </ul> </div> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="float.html" title="Floating Point Objects" >next</a> |</li> <li class="right" > <a href="long.html" title="Integer Objects" >previous</a> |</li> <li><img src="../_static/py.svg" alt="python logo" style="vertical-align: middle; 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