rb_n2e
struct rb_entry *rbe = rb_n2e(t, elm);
struct rb_entry *rbe = rb_n2e(t, elm);
struct rb_entry *rbe = rb_n2e(t, elm);
struct rb_entry *rbe = rb_n2e(t, elm);
struct rb_entry *rbe = rb_n2e(t, node);
struct rb_entry *rbe = rb_n2e(t, node);
struct rb_entry *rbe = rb_n2e(t, node);
struct rb_entry *rbe = rb_n2e(t, node);
struct rb_entry *rbl = (left == NULL) ? NULL : rb_n2e(t, left);
struct rb_entry *rbe = rb_n2e(t, node);
struct rb_entry *rbr = (right == NULL) ? NULL : rb_n2e(t, right);
struct rb_entry *rbe = rb_n2e(t, node);
struct rb_entry *rbp = (parent == NULL) ? NULL : rb_n2e(t, parent);
struct rb_entry *rbe = rb_n2e(t, node);
struct rb_entry *rbe = rb_n2e(t, node);