3092     PyBytesObject *it_seq; /* Set to NULL when iterator is exhausted */  member
3099     Py_XDECREF(it->it_seq);  in striter_dealloc()
3106     Py_VISIT(it->it_seq);  in striter_traverse()
3116     seq = it->it_seq;  in striter_next()
3126     it->it_seq = NULL;  in striter_next()
3135     if (it->it_seq)  in striter_len()
3136         len = PyBytes_GET_SIZE(it->it_seq) - it->it_index;  in striter_len()
3147     if (it->it_seq != NULL) {  in striter_reduce()
3149                              it->it_seq, it->it_index);  in striter_reduce()
3163     if (it->it_seq != NULL) {  in striter_setstate()
3166         else if (index > PyBytes_GET_SIZE(it->it_seq))  in striter_setstate()
3167             index = PyBytes_GET_SIZE(it->it_seq); /* iterator exhausted */  in striter_setstate()
3232     it->it_seq = (PyBytesObject *)seq;  in bytes_iter()