diff -r f2353e74b335 Doc/c-api/object.rst
--- a/Doc/c-api/object.rst	Tue Jan 08 23:12:00 2013 +0200
+++ b/Doc/c-api/object.rst	Wed Jan 09 17:00:48 2013 +0100
@@ -247,7 +247,7 @@
    ``callable_object(*args)``.
 
 
-.. c:function:: PyObject* PyObject_CallFunction(PyObject *callable, char *format, ...)
+.. c:function:: PyObject* PyObject_CallFunction(PyObject *callable, const char *format, ...)
 
    .. index:: builtin: apply
 
@@ -259,8 +259,11 @@
    ``callable(*args)``. Note that if you only pass :c:type:`PyObject \*` args,
    :c:func:`PyObject_CallFunctionObjArgs` is a faster alternative.
 
+   .. versionchanged:: 3.4
+      The type of *format* type changed from ``char *``.
 
-.. c:function:: PyObject* PyObject_CallMethod(PyObject *o, char *method, char *format, ...)
+
+.. c:function:: PyObject* PyObject_CallMethod(PyObject *o, const char *method, const char *format, ...)
 
    Call the method named *method* of object *o* with a variable number of C
    arguments.  The C arguments are described by a :c:func:`Py_BuildValue` format
@@ -270,6 +273,9 @@
    Note that if you only pass :c:type:`PyObject \*` args,
    :c:func:`PyObject_CallMethodObjArgs` is a faster alternative.
 
+   .. versionchanged:: 3.4
+      The types of *method* and *format* were changed from ``char *``.
+
 
 .. c:function:: PyObject* PyObject_CallFunctionObjArgs(PyObject *callable, ..., NULL)
 
diff -r f2353e74b335 Doc/data/refcounts.dat
--- a/Doc/data/refcounts.dat	Tue Jan 08 23:12:00 2013 +0200
+++ b/Doc/data/refcounts.dat	Wed Jan 09 17:00:48 2013 +0100
@@ -218,7 +218,7 @@
 
 PyDict_GetItemString:PyObject*::0:
 PyDict_GetItemString:PyObject*:p:0:
-PyDict_GetItemString:char*:key::
+PyDict_GetItemString:const char*:key::
 
 PyDict_Items:PyObject*::+1:
 PyDict_Items:PyObject*:p:0:
@@ -917,7 +917,7 @@
 
 PyObject_CallFunction:PyObject*::+1:
 PyObject_CallFunction:PyObject*:callable_object:0:
-PyObject_CallFunction:char*:format::
+PyObject_CallFunction:const char*:format::
 PyObject_CallFunction::...::
 
 PyObject_CallFunctionObjArgs:PyObject*::+1:
@@ -926,8 +926,8 @@
 
 PyObject_CallMethod:PyObject*::+1:
 PyObject_CallMethod:PyObject*:o:0:
-PyObject_CallMethod:char*:m::
-PyObject_CallMethod:char*:format::
+PyObject_CallMethod:const char*:m::
+PyObject_CallMethod:const char*:format::
 PyObject_CallMethod::...::
 
 PyObject_CallMethodObjArgs:PyObject*::+1:
diff -r f2353e74b335 Include/abstract.h
--- a/Include/abstract.h	Tue Jan 08 23:12:00 2013 +0200
+++ b/Include/abstract.h	Wed Jan 09 17:00:48 2013 +0100
@@ -324,7 +324,7 @@
        */
 
      PyAPI_FUNC(PyObject *) PyObject_CallFunction(PyObject *callable_object,
-                                                 char *format, ...);
+                                                 const char *format, ...);
 
        /*
      Call a callable Python object, callable_object, with a
@@ -337,8 +337,8 @@
        */
 
 
-     PyAPI_FUNC(PyObject *) PyObject_CallMethod(PyObject *o, char *m,
-                                               char *format, ...);
+     PyAPI_FUNC(PyObject *) PyObject_CallMethod(PyObject *o, const char *m,
+                                               const char *format, ...);
 
        /*
      Call the method named m of object o with a variable number of
@@ -350,10 +350,12 @@
        */
 
      PyAPI_FUNC(PyObject *) _PyObject_CallFunction_SizeT(PyObject *callable,
-                                                         char *format, ...);
+                                                         const char *format,
+                                                         ...);
      PyAPI_FUNC(PyObject *) _PyObject_CallMethod_SizeT(PyObject *o,
-                                                       char *name,
-                                                       char *format, ...);
+                                                       const char *name,
+                                                       const char *format,
+                                                       ...);
 
      PyAPI_FUNC(PyObject *) PyObject_CallFunctionObjArgs(PyObject *callable,
                                                         ...);
diff -r f2353e74b335 Objects/abstract.c
--- a/Objects/abstract.c	Tue Jan 08 23:12:00 2013 +0200
+++ b/Objects/abstract.c	Wed Jan 09 17:00:48 2013 +0100
@@ -2566,7 +2566,7 @@
 }
 
 PyObject *
-PyObject_CallFunction(PyObject *callable, char *format, ...)
+PyObject_CallFunction(PyObject *callable, const char *format, ...)
 {
     va_list va;
     PyObject *args;
@@ -2586,7 +2586,7 @@
 }
 
 PyObject *
-_PyObject_CallFunction_SizeT(PyObject *callable, char *format, ...)
+_PyObject_CallFunction_SizeT(PyObject *callable, const char *format, ...)
 {
     va_list va;
     PyObject *args;
@@ -2606,7 +2606,7 @@
 }
 
 PyObject *
-PyObject_CallMethod(PyObject *o, char *name, char *format, ...)
+PyObject_CallMethod(PyObject *o, const char *name, const char *format, ...)
 {
     va_list va;
     PyObject *args;
@@ -2645,7 +2645,8 @@
 }
 
 PyObject *
-_PyObject_CallMethod_SizeT(PyObject *o, char *name, char *format, ...)
+_PyObject_CallMethod_SizeT(PyObject *o, const char *name, const char *format,
+                           ...)
 {
     va_list va;
     PyObject *args;