diff --git a/Include/floatobject.h b/Include/floatobject.h
index bfbc580..be1a80c 100644
--- a/Include/floatobject.h
+++ b/Include/floatobject.h
@@ -21,6 +21,10 @@
 #define PyFloat_Check(op) PyObject_TypeCheck(op, &PyFloat_Type)
 #define PyFloat_CheckExact(op) (Py_Type(op) == &PyFloat_Type)
 
+PyAPI_FUNC(double) PyFloat_GetMax(void);
+PyAPI_FUNC(double) PyFloat_GetMin(void);
+PyAPI_FUNC(PyObject *) PyFloat_GetInfo(void);
+
 /* Return Python float from string PyObject.  Second argument ignored on
    input, and, if non-NULL, NULL is stored into *junk (this tried to serve a
    purpose once but can't be made to work as intended). */