246 void    ng_destroy_hook(hook_p hook);
749         ng_destroy_hook(hook);  in ng_rmnode()
1164 ng_destroy_hook(hook_p hook)  in ng_destroy_hook()  function
1265     ng_destroy_hook(hook1);  in ng_bypass()
1266     ng_destroy_hook(hook2);  in ng_bypass()
1373             ng_destroy_hook(hook);    /* also zaps peer */  in ng_con_part3()
1407         ng_destroy_hook(hook); /* should destroy peer too */  in ng_con_part2()
1420             ng_destroy_hook(hook); /* should destroy peer too */  in ng_con_part2()
1447             ng_destroy_hook(hook);    /* also zaps peer */  in ng_con_part2()
1461         ng_destroy_hook(hook);  in ng_con_part2()
1469         ng_destroy_hook(hook);    /* also zaps peer */  in ng_con_part2()
1500         ng_destroy_hook(hook);    /* XXX check ref counts so far */  in ng_con_nodes()
1521         ng_destroy_hook(hook);    /* also zaps peer */  in ng_con_nodes()
1564         ng_destroy_hook(hook1);  in ng_mkpeer()
1592         ng_destroy_hook(hook2);    /* also zaps hook1 */  in ng_mkpeer()
1628     ng_destroy_hook(hook);  in ng_rmhook_part2()
2608             ng_destroy_hook(hook);  in ng_generic_msg()