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int socket(int domain, int type, int protocol);
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èŠããããŸãã 2004 POSIXããŒãžã§ã³ã®ææ°ã®æ¡åŒµæ©èœã®1ã€ã¯ãgetaddrinfoïŒïŒé¢æ°ã®å®çŸ©ã§ãã ã¢ãã¬ã¹ãšãµãŒãã¹ã®æååã®èª¬æã§æå®ããããµãŒããŒãå®çŸ©ããŸãã ã€ãŸããããŒãçªå·ãããŒãã³ãŒãã£ã³ã°ããå¿
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struct addrinfo hints, *results;
memset(&hints, 0, sizeof (hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
int error = getaddrinfo( "informit.com" , "http" , &hints, &results);
if (error) { /* fail */ return -1; }
int s = -1;
for ( struct addrinfo *res = results;
res != NULL && s < 0 ;
res = res->ai_next)
{
s = socket(res->ai_family, res->ai_socktype,
res->ai_protocol);
//If the socket failed, try the next address
if (s < 0) { continue ; }
//If the connection failed, try the next address
if (connect(s, res->ai_addr, res->ai_addrlen) < 0)
{
close(s);
s = -1;
continue ;
}
}
freeaddrinfo(results);
return s;
* This source code was highlighted with Source Code Highlighter .
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