Added documentation for PyFunction_GetAnnotations() and
PyFunction_SetAnnotations().
diff --git a/Doc/c-api/function.rst b/Doc/c-api/function.rst
index e9ed2ab..ada974c 100644
--- a/Doc/c-api/function.rst
+++ b/Doc/c-api/function.rst
@@ -81,3 +81,15 @@
*Py_None* or a tuple of cell objects.
Raises :exc:`SystemError` and returns ``-1`` on failure.
+
+
+.. cfunction:: PyObject *PyFunction_GetAnnotations(PyObject *op)
+
+ Return the annotations of the function object *op*. This can be a
+ mutable dictionary or *NULL*.
+
+
+.. cfunction:: int PyFunction_SetAnnotations(PyObject *op, PyObject *annotations)
+
+ Set the annotations for the function object *op*. *annotations*
+ must be a dictionary or *Py_None*.