Remove PyFloat_AsReprString() and PyFloat_AsString() which should not
have been public due to passing buffers without lengths.
diff --git a/Include/floatobject.h b/Include/floatobject.h
index f695de8..c3c18af 100644
--- a/Include/floatobject.h
+++ b/Include/floatobject.h
@@ -34,19 +34,6 @@
 PyAPI_FUNC(double) PyFloat_AsDouble(PyObject *);
 #define PyFloat_AS_DOUBLE(op) (((PyFloatObject *)(op))->ob_fval)
 
-/* Write repr(v) into the char buffer argument, followed by null byte.  The
-   buffer must be "big enough"; >= 100 is very safe.
-   PyFloat_AsReprString(buf, x) strives to print enough digits so that
-   PyFloat_FromString(buf) then reproduces x exactly. */
-PyAPI_FUNC(void) PyFloat_AsReprString(char*, PyFloatObject *v);
-
-/* Write str(v) into the char buffer argument, followed by null byte.  The
-   buffer must be "big enough"; >= 100 is very safe.  Note that it's
-   unusual to be able to get back the float you started with from
-   PyFloat_AsString's result -- use PyFloat_AsReprString() if you want to
-   preserve precision across conversions. */
-PyAPI_FUNC(void) PyFloat_AsString(char*, PyFloatObject *v);
-
 /* _PyFloat_{Pack,Unpack}{4,8}
  *
  * The struct and pickle (at least) modules need an efficient platform-
@@ -82,6 +69,11 @@
 PyAPI_FUNC(int) _PyFloat_Pack4(double x, unsigned char *p, int le);
 PyAPI_FUNC(int) _PyFloat_Pack8(double x, unsigned char *p, int le);
 
+/* Needed for the old way for marshal to store a floating point number.
+   Returns the string length copied into p, -1 on error.
+ */
+PyAPI_FUNC(int) _PyFloat_Repr(double x, char *p, size_t len);
+
 /* The unpack routines read 4 or 8 bytes, starting at p.  le is a bool
  * argument, true if the string is in little-endian format (exponent
  * last, at p+3 or p+7), false if big-endian (exponent first, at p).
@@ -93,7 +85,6 @@
 PyAPI_FUNC(double) _PyFloat_Unpack4(const unsigned char *p, int le);
 PyAPI_FUNC(double) _PyFloat_Unpack8(const unsigned char *p, int le);
 
-
 #ifdef __cplusplus
 }
 #endif