479     struct protent *protp;  local
487     for (i = 0; (protp = protocols[i]) != NULL; ++i) {
488 	if (!protp->enabled_flag)
490         if (protp->protocol != PPP_LCP && protp->lowerdown != NULL)
491 	    (*protp->lowerdown)(unit);
492         if (protp->protocol < 0xC000 && protp->close != NULL)
493 	    (*protp->close)(unit, "LCP down");
514     struct protent *protp;  local
519     for (i = 0; (protp = protocols[i]) != NULL; ++i)
520         if (protp->protocol != PPP_LCP && protp->enabled_flag
521 	    && protp->lowerup != NULL)
522 	    (*protp->lowerup)(unit);
654     struct protent *protp;  in start_networks()  local
672     for (i = 0; (protp = protocols[i]) != NULL; ++i)  in start_networks()
673         if (protp->protocol < 0xC000 && protp->enabled_flag  in start_networks()
674 	    && protp->open != NULL) {  in start_networks()
675 	    (*protp->open)(0);  in start_networks()
676 	    if (protp->protocol != PPP_CCP)  in start_networks()