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#include "port/sys.h"
#define TEST_GETADDRINFO
#include "port/netdb.c" /* for getaddrinfo */
#include <stdlib.h> /* for exit, EXIT_SUCCESS, free */
#include <stdio.h>
int main( void ) {
struct addrinfo *result;
struct addrinfo *res;
int error;
/* resolve the domain name into a list of addresses */
error = getaddrinfo( "www.andreasbaumann.cc", NULL, NULL, &result );
if( error != 0 ) {
fprintf( stderr, "getaddrinfo failed: %s (%d)\n",
gai_strerror( error ), error );
return EXIT_FAILURE;
}
/* loop over all returned results and do inverse lookup */
for( res = result; res != NULL; res = res->ai_next ) {
char hostname[NI_MAXHOST] = "";
error = getnameinfo( res->ai_addr, res->ai_addrlen, hostname, NI_MAXHOST, NULL, 0, 0 );
if( error != 0 ) {
fprintf( stderr, "getnameinfo failed: %s (%d)\n",
gai_strerror( error ), error );
return EXIT_FAILURE;
}
printf( "hostname: %s\n", hostname );
}
freeaddrinfo( result );
return EXIT_SUCCESS;
}
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