cac_sdh           127 dev/ic/cac.c   void	*cac_sdh;	/* shutdown hook */
cac_sdh           251 dev/ic/cac.c   	if (cac_sdh == NULL)
cac_sdh           252 dev/ic/cac.c   		cac_sdh = shutdownhook_establish(cac_shutdown, NULL);