ng_rmhook_self
int ng_rmhook_self(hook_p hook); /* if a node wants to kill a hook */
ng_rmhook_self(peer); /* Send it a surprise */
ng_rmhook_self(priv->upper.hook);
ng_rmhook_self(priv->lower.hook);
ng_rmhook_self(sp->hook);
ng_rmhook_self(hook);