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WINDOWS 下获取本机 DNS
- Sat, 13 Dec 2008 17:06:49 +0800
- 以下是我用于提取本机DNS的代码,使用WIN32 API GetNetworkParams函数。
另,获取DNS的方法也有读取REGEDIT的方法。
int get_dns_servers(char* hostlist, int hsize)
{
FIXED_INFO *fi;
unsigned long s;
DWORD ret;
memset(hostlist, 0, sizeof(char)*hsize);
s = sizeof(fi);
fi= (FIXED_INFO*)malloc(sizeof(char)*s);
memset(fi, 0, sizeof(char)*s);
ret = GetNetworkParams(fi, &s);
if( ret == ERROR_BUFFER_OVERFLOW )
{
free(fi);
fi= (FIXED_INFO*)malloc(sizeof(char)*s);
}
ret = GetNetworkParams(fi, &s);
sprintf(hostlist, "%s,%s", fi->DnsServerList.IpAddress.String, (fi->DnsServerList.Next)->IpAddress.String);
free(fi);
return 0;
}
Tag:WINDOWS, 网络
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