bpo-39573: Add Py_IS_TYPE() function (GH-18488)
Co-Author: Neil Schemenauer <nas-github@arctrix.com>
diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst
index 083c374..fc3467b 100644
--- a/Doc/c-api/structures.rst
+++ b/Doc/c-api/structures.rst
@@ -70,6 +70,14 @@
(((PyObject*)(o))->ob_type)
+.. c:function:: int Py_IS_TYPE(PyObject *o, PyTypeObject *type)
+
+ Return non-zero if the object *o* type is *type*. Return zero otherwise.
+ Equivalent to: ``Py_TYPE(o) == type``.
+
+ .. versionadded:: 3.9
+
+
.. c:function:: void Py_SET_TYPE(PyObject *o, PyTypeObject *type)
Set the object *o* type to *type*.