146 static struct pr_set *pr4;	/* protocol info for IPv4 */  variable
565 		pr4 = (struct pr_set *)malloc(sizeof (struct pr_set));  in main()
566 		if (pr4 == NULL) {  in main()
578 		setup_protocol(pr4, AF_INET);  in main()
582 		outip4 = (*pr4->set_buffers_fn)(pr4->packlen);  in main()
583 		setup_socket(pr4, pr4->packlen);  in main()
585 		num_ifs4 = set_src_addr(pr4, &al4);  in main()
600 		pr4 = (struct pr_set *)malloc(sizeof (struct pr_set));  in main()
601 		if (pr4 == NULL) {  in main()
606 		setup_protocol(pr4, AF_INET);  in main()
607 		outip4 = (*pr4->set_buffers_fn)(pr4->packlen);  in main()
608 		setup_socket(pr4, pr4->packlen);  in main()
609 		num_ifs4 = set_src_addr(pr4, &al4);  in main()
1456 			set_sin((struct sockaddr *)pr4->to, addrp,  in trace_it()
1458 			traceroute(addrp, &msg6, pr4, num_ifs4, al4);  in trace_it()