14     seqiterobject *it;  in PySeqIter_New()  local
20     it = PyObject_GC_New(seqiterobject, &PySeqIter_Type);  in PySeqIter_New()
21     if (it == NULL)  in PySeqIter_New()
23     it->it_index = 0;  in PySeqIter_New()
25     it->it_seq = seq;  in PySeqIter_New()
26     _PyObject_GC_TRACK(it);  in PySeqIter_New()
27     return (PyObject *)it;  in PySeqIter_New()
31 iter_dealloc(seqiterobject *it)  in iter_dealloc()  argument
33     _PyObject_GC_UNTRACK(it);  in iter_dealloc()
34     Py_XDECREF(it->it_seq);  in iter_dealloc()
35     PyObject_GC_Del(it);  in iter_dealloc()
39 iter_traverse(seqiterobject *it, visitproc visit, void *arg)  in iter_traverse()  argument
41     Py_VISIT(it->it_seq);  in iter_traverse()
48     seqiterobject *it;  in iter_iternext()  local
53     it = (seqiterobject *)iterator;  in iter_iternext()
54     seq = it->it_seq;  in iter_iternext()
57     if (it->it_index == LONG_MAX) {  in iter_iternext()
63     result = PySequence_GetItem(seq, it->it_index);  in iter_iternext()
65         it->it_index++;  in iter_iternext()
72         it->it_seq = NULL;  in iter_iternext()
79 iter_len(seqiterobject *it)  in iter_len()  argument
83     if (it->it_seq) {  in iter_len()
84         seqsize = PySequence_Size(it->it_seq);  in iter_len()
87         len = seqsize - it->it_index;  in iter_len()
145     calliterobject *it;  in PyCallIter_New()  local
146     it = PyObject_GC_New(calliterobject, &PyCallIter_Type);  in PyCallIter_New()
147     if (it == NULL)  in PyCallIter_New()
150     it->it_callable = callable;  in PyCallIter_New()
152     it->it_sentinel = sentinel;  in PyCallIter_New()
153     _PyObject_GC_TRACK(it);  in PyCallIter_New()
154     return (PyObject *)it;  in PyCallIter_New()
157 calliter_dealloc(calliterobject *it)  in calliter_dealloc()  argument
159     _PyObject_GC_UNTRACK(it);  in calliter_dealloc()
160     Py_XDECREF(it->it_callable);  in calliter_dealloc()
161     Py_XDECREF(it->it_sentinel);  in calliter_dealloc()
162     PyObject_GC_Del(it);  in calliter_dealloc()
166 calliter_traverse(calliterobject *it, visitproc visit, void *arg)  in calliter_traverse()  argument
168     Py_VISIT(it->it_callable);  in calliter_traverse()
169     Py_VISIT(it->it_sentinel);  in calliter_traverse()
174 calliter_iternext(calliterobject *it)  in calliter_iternext()  argument
176     if (it->it_callable != NULL) {  in calliter_iternext()
181         result = PyObject_Call(it->it_callable, args, NULL);  in calliter_iternext()
186                                           it->it_sentinel,  in calliter_iternext()
192                 Py_CLEAR(it->it_callable);  in calliter_iternext()
193                 Py_CLEAR(it->it_sentinel);  in calliter_iternext()
198             Py_CLEAR(it->it_callable);  in calliter_iternext()
199             Py_CLEAR(it->it_sentinel);  in calliter_iternext()