217 	int flag[2], sock;  in test_ip_hdrincl()  local
227 	flag[0] = -1;  in test_ip_hdrincl()
228 	len = sizeof(flag[0]);  in test_ip_hdrincl()
229 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) == 0)  in test_ip_hdrincl()
237 	flag[0] = 1;  in test_ip_hdrincl()
238 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))  in test_ip_hdrincl()
257 	flag[0] = -1;  in test_ip_hdrincl()
258 	len = sizeof(flag[0]);  in test_ip_hdrincl()
259 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) == 0)  in test_ip_hdrincl()
268 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))  in test_ip_hdrincl()
300 	flag[0] = -1;  in test_ip_hdrincl()
301 	flag[1] = -1;  in test_ip_hdrincl()
302 	len = sizeof(flag);  in test_ip_hdrincl()
303 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) < 0)  in test_ip_hdrincl()
307 	if (len != sizeof(flag[0]))  in test_ip_hdrincl()
311 	if (flag[0] != 0)  in test_ip_hdrincl()
313 		    flag[0]);  in test_ip_hdrincl()
318 	flag[0] = 1;  in test_ip_hdrincl()
319 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))  in test_ip_hdrincl()
326 	flag[0] = -1;  in test_ip_hdrincl()
327 	flag[1] = -1;  in test_ip_hdrincl()
328 	len = sizeof(flag);  in test_ip_hdrincl()
329 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) < 0)  in test_ip_hdrincl()
333 	if (flag[0] == 0)  in test_ip_hdrincl()
335 		    "after set had flag of %d\n", flag[0]);  in test_ip_hdrincl()
338 	if (flag[0] != HISTORICAL_INP_HDRINCL)  in test_ip_hdrincl()
341 		    flag[0]);  in test_ip_hdrincl()
346 	flag[0] = 0;  in test_ip_hdrincl()
347 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))  in test_ip_hdrincl()
354 	flag[0] = -1;  in test_ip_hdrincl()
355 	flag[1] = -1;  in test_ip_hdrincl()
356 	len = sizeof(flag);  in test_ip_hdrincl()
357 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) < 0)  in test_ip_hdrincl()
361 	if (flag[0] != 0)  in test_ip_hdrincl()
363 		    "after set had flag of %d\n", flag[0]);  in test_ip_hdrincl()