object PyString_FromStringAndSize(char *p, Py_ssize_t len)
int PyString_AsStringAndSize(obj, char **p, Py_ssize_t *len) except -1
int PyObject_AsReadBuffer(obj, void **buf, Py_ssize_t *len) except -1
object PyString_FromStringAndSize(char *p, Py_ssize_t len)
int PyString_AsStringAndSize(obj, char **p, Py_ssize_t *len) except -1
int PyObject_AsReadBuffer(obj, void **buf, Py_ssize_t *len) except -1