{Ttitle}Node *output = NULL; if (!list || list->node_count == 0) {{ goto RETURN_{Tupper}_LIST_POP_BACK; }} output = list->last; if (list->node_count == 1) {{ *list = ({Ttitle}List){{0}}; goto RETURN_{Tupper}_LIST_POP_BACK; }} --(list->node_count); list->last = output->prev; output->prev = output->next = NULL; RETURN_{Tupper}_LIST_POP_BACK: return output;