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-rw-r--r--Doc/c-api/structures.rst8
1 files changed, 8 insertions, 0 deletions
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 @@ the definition of all other Python objects.
(((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*.