rb_right
iter = &parent->rb_right; \
node = node->rb_right;
new = &((*new)->rb_right);
node = node->rb_right;
node = node->rb_right;
link = &(*link)->rb_right;
node = node->rb_right;
link = &(*link)->rb_right;
new = &parent->rb_right;
tmp = tmp->rb_right;
link = &(*link)->rb_right;
link = &(*link)->rb_right;
link = &(*link)->rb_right;
node = node->rb_right;
node = node->rb_right;
node = node->rb_right;
link = &(*link)->rb_right;
link = &(*link)->rb_right;
node = node->rb_right;
node = node->rb_right;
link = &(*link)->rb_right;
link = &(*link)->rb_right;
link = &(*link)->rb_right;
link = &(*link)->rb_right;
node = node->rb_right;
link = &(*link)->rb_right;
p = &(*p)->rb_right;
p = p->rb_right;
n = n->rb_right;
n = &pn->rb_right;
n = n->rb_right;
n = &pn->rb_right;