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#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#undef __CRT__NO_INLINE
#define __CRT__NO_INLINE
#include <winsock2.h>
#include <wspiapi.h>
int WINAPI
WspiapiQueryDNS(const char *pszNodeName,
int iSocketType, int iProtocol,
WORD wPort, char pszAlias[NI_MAXHOST],
struct addrinfo **pptResult)
{
struct addrinfo **paddrinfo = pptResult;
struct hostent *phost = NULL;
char **h;
*paddrinfo = NULL;
pszAlias[0] = 0;
phost = gethostbyname (pszNodeName);
if (phost)
{
if (phost->h_addrtype == AF_INET && phost->h_length == sizeof(struct in_addr))
{
for (h = phost->h_addr_list; *h != NULL; h++)
{
*paddrinfo = WspiapiNewAddrInfo (iSocketType, iProtocol, wPort,
((struct in_addr *) *h)->s_addr);
if (!*paddrinfo)
return EAI_MEMORY;
paddrinfo = &((*paddrinfo)->ai_next);
}
}
strncpy (pszAlias, phost->h_name, NI_MAXHOST - 1);
pszAlias[NI_MAXHOST - 1] = 0;
return 0;
}
switch(WSAGetLastError())
{
case WSAHOST_NOT_FOUND: break;
case WSATRY_AGAIN: return EAI_AGAIN;
case WSANO_RECOVERY: return EAI_FAIL;
case WSANO_DATA: return EAI_NODATA;
default: break;
}
return EAI_NONAME;
}
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