-/*----- Data structures ---------------------------------------------------*/
-
-typedef struct buf_pyobj {
- PyObject_HEAD
- buf b;
- PyObject *sub;
- unsigned lk;
-} buf_pyobj;
-
-static PyTypeObject *rbuf_pytype, *wbuf_pytype;
-#define RBUF_PYCHECK(o) PyObject_TypeCheck((o), rbuf_pytype)
-#define WBUF_PYCHECK(o) PyObject_TypeCheck((o), wbuf_pytype)
-#define BUF_B(o) (&((buf_pyobj *)(o))->b)
-#define BUF_SUB(o) (((buf_pyobj *)(o))->sub)
-#define BUF_LK(o) (((buf_pyobj *)(o))->lk)
-
-/*----- Exceptions --------------------------------------------------------*/
-
-static PyObject *buferr;
-
-#define BUFERR(str) do { PyErr_SetString(buferr, str); goto end; } while (0)
-