Try to keep sphinx happy

Author: markshannon

Doc/c-api/typeobj.rst

@@ -2552,7 +2552,7 @@ and :c:data:`PyType_Type` effectively act as defaults.)
    .. versionadded:: 3.12
 
 
-.. c:member:: iteritemfunc PyTypeObject.tp_iteritem
+.. c:member:: function_pointer PyTypeObject.tp_iteritem
 
    Internal. Do not use.
 

Doc/conf.py

@@ -179,6 +179,8 @@
     ('c:type', 'unsigned __int64'),
     ('c:type', 'double'),
     ('c:type', '_Float16'),
+    # Opaque C types
+    ('c:type', 'function_pointer'),
     # Standard C structures
     ('c:struct', 'in6_addr'),
     ('c:struct', 'in_addr'),