RBH_ROOT
RBH_ROOT(rbt) = tmp;
RBH_ROOT(rbt) = tmp;
RBE_COLOR(RBH_ROOT(rbt)) = RB_BLACK;
rbe != RBH_ROOT(rbt)) {
rbe = RBH_ROOT(rbt);
rbe = RBH_ROOT(rbt);
RBH_ROOT(rbt) = child;
RBH_ROOT(rbt) = rbe;
RBH_ROOT(rbt) = child;
tmp = RBH_ROOT(rbt);
RBH_ROOT(rbt) = rbe;
struct rb_entry *tmp = RBH_ROOT(rbt);
struct rb_entry *tmp = RBH_ROOT(rbt);
struct rb_entry *rbe = RBH_ROOT(rbt);
struct rb_entry *rbe = RBH_ROOT(rbt);
struct rb_entry *rbe = RBH_ROOT(rbt);