RB_PREV
tmp = RB_PREV(kroute_tree, &kt->krt, kn);
tmp = RB_PREV(kroute_tree, &kt->krt, kn);
tmp = RB_PREV(kroute6_tree, &kt->krt6, kn6);
tmp = RB_PREV(kroute6_tree, &kt->krt6, kn6);
tmp = RB_PREV(tree, &root, tmp);
#define rb_prev(node) RB_PREV(linux_root, NULL, (node))
while ((crs = RB_PREV(revoked_serial_tree, rt, ers)) != NULL) {
if (RB_PREV(winlinks, &s->windows, wl) == NULL &&
return (RB_PREV(winlinks, wwl, wl));
if ((wl = RB_PREV(winlinks, wwl, wl)) == NULL)
tmp = RB_PREV(kroute_tree, &kt->krt, kn);
tmp = RB_PREV(kroute_tree, &kt->krt, kn);
tmp = RB_PREV(kroute6_tree, &kt->krt6, kn6);
tmp = RB_PREV(kroute6_tree, &kt->krt6, kn6);
tmp = RB_PREV(kroute_tree, &krt, kn);
tmp = RB_PREV(kroute_tree, &krt, kn);
tmp = RB_PREV(kroute_tree, &krt, kn);
tmp = RB_PREV(kroute_tree, &krt, kn);
tmp = RB_PREV(kroute_tree, &krt, kn);
tmp = RB_PREV(kroute_tree, &krt, kn);