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This code fragment is part of an example IPv6 client program
that ships in the HP-UX 11i v2 /usr/lib/demos/networking/socket/af_inet6 directory, rewritten using the getipnodebyname() function call. struct sockaddr_in6 peeraddr_in6; /* for peer socket address */ |
memset ((char *)&peeraddr_in6, 0, sizeof(struct sockaddr_in6)); |
hp = getipnodebyname (argv[1], AF_INET6, AI_DEFAULT, &error); |
if (hp == NULL) {
fprintf(stderr, "%s: %s not found in /etc/hosts\n",
argv[0], argv[1]);
exit(1);
}
peeraddr_in6.sin6_family = hp->h_addrtype;
memcpy(&peeraddr_in6.sin6_addr, hp->h_addr, hp->h_length);
/* Find the information for the "example" server
* in order to get the needed port number.
*/ |
sp = getservbyname ("example", "tcp"); |
fprintf(stderr, "%s: example not found in /etc/services\n",
argv[0]);
exit(1);
}
peeraddr_in6.sin6_port = sp->s_port;
/* Create the socket. */
s = socket (AF_INET6, SOCK_STREAM, 0);
if (s == -1) {
perror(argv[0]);
fprintf(stderr, "%s: unable to create socket\n", argv[0]);
exit(1);
}
/* Try to connect to the remote server at the address
* which was just built into peeraddr.
*/ |
if (connect(s, &peeraddr_in6, sizeof(peeraddr_in6)) == -1) { |
perror(argv[0]);
fprintf(stderr, "%s: unable to connect to remote\n", argv[0]);
exit(1);
} |
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