Slice and ellipses interface

Include/sliceobject.h

+#ifndef Py_SLICEOBJECT_H
+#define Py_SLICEOBJECT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* The unique ellipses object "..." */
+
+extern DL_IMPORT(PyObject) _Py_EllipsesObject; /* Don't use this directly */
+
+#define Py_Ellipses (&_Py_EllipsesObject)
+
+
+/* Slice object interface */
+
+/*
+
+A slice object containing start, stop, and step data members (the
+names are from range).  After much talk with Guido, it was decided to
+let these be any arbitrary python type. 
+*/
+
+typedef struct {
+	PyObject_HEAD
+	PyObject *start, *stop, *step;
+} PySliceObject;
+
+extern DL_IMPORT(PyTypeObject) PySlice_Type;
+
+#define PySlice_Check(op) ((op)->ob_type == &PySlice_Type)
+
+PyObject *PySlice_New Py_PROTO((
+	PyObject* start, PyObject* stop, PyObject* step));
+int PySlice_GetIndices Py_PROTO((
+	PySliceObject *r, int length, int *start, int *stop, int *step));
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_SLICEOBJECT_H */