891     PyObject *(*iternext)(PyObject *);  in dropwhile_next()  local
893     iternext = *Py_TYPE(it)->tp_iternext;  in dropwhile_next()
895         item = iternext(it);  in dropwhile_next()
1225     PyObject *(*iternext)(PyObject *);  in islice_next()  local
1230     iternext = *Py_TYPE(it)->tp_iternext;  in islice_next()
1232         item = iternext(it);  in islice_next()
1240     item = iternext(it);  in islice_next()
3007     PyObject *(*iternext)(PyObject *);  in ifilter_next()  local
3009     iternext = *Py_TYPE(it)->tp_iternext;  in ifilter_next()
3011         item = iternext(it);  in ifilter_next()
3152     PyObject *(*iternext)(PyObject *);  in ifilterfalse_next()  local
3154     iternext = *Py_TYPE(it)->tp_iternext;  in ifilterfalse_next()
3156         item = iternext(it);  in ifilterfalse_next()