static void age_past_requests(event_loop_t *loop, void *data) {
(void)data;
meshlink_handle_t *mesh = loop->data;
int left = 0, deleted = 0;
for splay_each(past_request_t, p, mesh->past_request_tree) {
static void age_past_requests(event_loop_t *loop, void *data) {
(void)data;
meshlink_handle_t *mesh = loop->data;
int left = 0, deleted = 0;
for splay_each(past_request_t, p, mesh->past_request_tree) {