ng_destroy_hook
ng_destroy_hook(hook1);
ng_destroy_hook(hook2);
ng_destroy_hook(hook); /* also zaps peer */
ng_destroy_hook(hook); /* should destroy peer too */
ng_destroy_hook(hook); /* should destroy peer too */
ng_destroy_hook(hook); /* also zaps peer */
ng_destroy_hook(hook);
ng_destroy_hook(hook); /* also zaps peer */
ng_destroy_hook(hook); /* XXX check ref counts so far */
ng_destroy_hook(hook); /* also zaps peer */
ng_destroy_hook(hook1);
ng_destroy_hook(hook2); /* also zaps hook1 */
ng_destroy_hook(hook);
void ng_destroy_hook(hook_p hook);
ng_destroy_hook(hook);
ng_destroy_hook(hook);