362     prev: *mut ListLinksFields,  field
392                 prev: ptr::null_mut(),  in new()
447                     prev: ptr::null_mut(),  in new()
512                 (*item).prev = item;  in insert_inner()
518             let prev = unsafe { (*next).prev };  in insert_inner()  localVariable
524                 (*item).prev = prev;  in insert_inner()
525                 (*prev).next = item;  in insert_inner()
526                 (*next).prev = item;  in insert_inner()
559         let last = unsafe { (*self.first).prev };  in pop_back()
597         let ListLinksFields { next, prev } = unsafe { *item };  in remove()
599         debug_assert_eq!(next.is_null(), prev.is_null());  in remove()
609                 debug_assert_eq!(item, (*next).prev);  in remove()
610                 item = (*next).prev;  in remove()
615             Some(unsafe { self.remove_internal_inner(item, next, prev) })  in remove()
629         let ListLinksFields { next, prev } = unsafe { *item };  in remove_internal()
631         unsafe { self.remove_internal_inner(item, next, prev) }  in remove_internal()
644         prev: *mut ListLinksFields,  in remove_internal_inner()
656             (*next).prev = prev;  in remove_internal_inner()
657             (*prev).next = next;  in remove_internal_inner()
662             (*item).prev = ptr::null_mut();  in remove_internal_inner()
677             self.first = unsafe { (*prev).next };  in remove_internal_inner()
701             let other_last = unsafe { (*other_first).prev };  in push_all_back()
704             let self_last = unsafe { (*self_first).prev };  in push_all_back()
710                 (*self_first).prev = other_last;  in push_all_back()
713                 (*other_first).prev = self_last;  in push_all_back()
975         unsafe { (*next).prev }  in prev_ptr()
995         let prev = self.prev_ptr();  in peek_prev()  localVariable
997         if prev.is_null() {  in peek_prev()
1005             ptr: prev,  in peek_prev()