reactos/rosapps/tests/dnsquery/dnsquery.c

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#include <windows.h>
#include <stdio.h>
#include <winerror.h>
#include <windns.h>
#include <assert.h>
int main( int argc, char **argv ) {
PDNS_RECORD QueryReply, AddrResponse;
DWORD Addr;
assert (DnsQuery ("www.reactos.com", DNS_TYPE_A, DNS_QUERY_STANDARD,
NULL, &QueryReply, NULL) == ERROR_SUCCESS);
AddrResponse = QueryReply;
while( AddrResponse ) {
if( AddrResponse->wType == DNS_TYPE_A ) {
Addr = ntohl( AddrResponse->Data.A.IpAddress );
printf( "www.reactos.com == %d.%d.%d.%d\n",
(int)(Addr >> 24) & 0xff,
(int)(Addr >> 16) & 0xff,
(int)(Addr >> 8) & 0xff,
(int)Addr & 0xff );
}
AddrResponse = AddrResponse->pNext;
}
DnsRecordListFree( QueryReply, DnsFreeRecordList );
return 0;
}