482     struct protent *protp;  local
490     for (i = 0; (protp = protocols[i]) != NULL; ++i) {
491 	if (!protp->enabled_flag)
493         if (protp->protocol != PPP_LCP && protp->lowerdown != NULL)
494 	    (*protp->lowerdown)(unit);
495         if (protp->protocol < 0xC000 && protp->close != NULL)
496 	    (*protp->close)(unit, "LCP down");
517     struct protent *protp;  local
522     for (i = 0; (protp = protocols[i]) != NULL; ++i)
523         if (protp->protocol != PPP_LCP && protp->enabled_flag
524 	    && protp->lowerup != NULL)
525 	    (*protp->lowerup)(unit);
657     struct protent *protp;  in start_networks()  local
675     for (i = 0; (protp = protocols[i]) != NULL; ++i)  in start_networks()
676         if (protp->protocol < 0xC000 && protp->enabled_flag  in start_networks()
677 	    && protp->open != NULL) {  in start_networks()
678 	    (*protp->open)(0);  in start_networks()
679 	    if (protp->protocol != PPP_CCP)  in start_networks()