13 static char *afstr(int af, int proto)  in afstr()  argument
15 	if (proto == IPPROTO_TCP)  in afstr()
21 int sk_peek_offset_probe(sa_family_t af, int proto)  in sk_peek_offset_probe()  argument
23 	int type = (proto == IPPROTO_TCP ? SOCK_STREAM : SOCK_DGRAM);  in sk_peek_offset_probe()
28 	s = socket(af, type, proto);  in sk_peek_offset_probe()
35 			printf("%s does not support SO_PEEK_OFF\n", afstr(af, proto));  in sk_peek_offset_probe()
57 static int sk_peek_offset_test(sa_family_t af, int proto)  in sk_peek_offset_test()  argument
59 	int type = (proto == IPPROTO_TCP ? SOCK_STREAM : SOCK_DGRAM);  in sk_peek_offset_test()
75 	s[0] = recv_sock = socket(af, type, proto);  in sk_peek_offset_test()
76 	s[1] = socket(af, type, proto);  in sk_peek_offset_test()
90 	if (proto == IPPROTO_TCP && listen(s[0], 0) < 0) {  in sk_peek_offset_test()
98 	if (proto == IPPROTO_TCP) {  in sk_peek_offset_test()
158 	printf("%s with MSG_PEEK_OFF works correctly\n", afstr(af, proto));  in sk_peek_offset_test()
161 	if (proto == IPPROTO_TCP && recv_sock >= 0)  in sk_peek_offset_test()
170 static int do_test(int proto)  in do_test()  argument
174 	res4 = sk_peek_offset_probe(AF_INET, proto);  in do_test()
175 	res6 = sk_peek_offset_probe(AF_INET6, proto);  in do_test()
181 		res4 = sk_peek_offset_test(AF_INET, proto);  in do_test()
184 		res6 = sk_peek_offset_test(AF_INET6, proto);  in do_test()