94     Py_ssize_t maxlen;          /* maxlen is -1 for unbounded deques */  member
182     deque->maxlen = -1;  in deque_new()
275 #define NEEDS_TRIM(deque, maxlen) ((size_t)(maxlen) < (size_t)(Py_SIZE(deque)))  argument
278 deque_append_internal(dequeobject *deque, PyObject *item, Py_ssize_t maxlen)  in deque_append_internal()  argument
294     if (NEEDS_TRIM(deque, maxlen)) {  in deque_append_internal()
307     if (deque_append_internal(deque, item, deque->maxlen) < 0)  in deque_append()
315 deque_appendleft_internal(dequeobject *deque, PyObject *item, Py_ssize_t maxlen)  in deque_appendleft_internal()  argument
331     if (NEEDS_TRIM(deque, deque->maxlen)) {  in deque_appendleft_internal()
344     if (deque_appendleft_internal(deque, item, deque->maxlen) < 0)  in deque_appendleft()
386     Py_ssize_t maxlen = deque->maxlen;  in deque_extend()  local
403     if (maxlen == 0)  in deque_extend()
416         if (deque_append_internal(deque, item, maxlen) == -1) {  in deque_extend()
433     Py_ssize_t maxlen = deque->maxlen;  in deque_extendleft()  local
450     if (maxlen == 0)  in deque_extendleft()
463         if (deque_appendleft_internal(deque, item, maxlen) == -1) {  in deque_extendleft()
500         new_deque->maxlen = old_deque->maxlen;  in deque_copy()
515     if (old_deque->maxlen < 0)  in deque_copy()
519                                        deque, old_deque->maxlen, NULL);  in deque_copy()
676         if (deque->maxlen >= 0 && n > deque->maxlen)  in deque_inplace_repeat()
677             n = deque->maxlen;  in deque_inplace_repeat()
718     if (deque->maxlen >= 0 && n * size > deque->maxlen)  in deque_inplace_repeat()
719         n = (deque->maxlen + size - 1) / size;  in deque_inplace_repeat()
1136     if (deque->maxlen == Py_SIZE(deque)) {  in deque_insert()
1366     if (deque->maxlen < 0) {  in deque_reduce()
1370         return Py_BuildValue("O(()n)NN", Py_TYPE(deque), deque->maxlen, dict, it);  in deque_reduce()
1394     if (((dequeobject *)deque)->maxlen >= 0)  in deque_repr()
1397                                       ((dequeobject *)deque)->maxlen);  in deque_repr()
1489     Py_ssize_t maxlen = -1;  in deque_init()  local
1505         maxlen = PyLong_AsSsize_t(maxlenobj);  in deque_init()
1506         if (maxlen == -1 && PyErr_Occurred())  in deque_init()
1508         if (maxlen < 0) {  in deque_init()
1513     deque->maxlen = maxlen;  in deque_init()
1551     if (deque->maxlen < 0)  in deque_get_maxlen()
1553     return PyLong_FromSsize_t(deque->maxlen);  in deque_get_maxlen()