SetIpTTL(
    UINT nTTL
    );

//////////////////////////////////////////////////////////////////////////////
//                                                                          //
// Used to create, modify or delete an ARP entry.  In all cases the dwIndex //
// dwAddr field MUST BE SPECIFIED.                                          //
// For a set, the complete MIB_IPNETROW structure must be specified         //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

DWORD
WINAPI
CreateIpNetEntry(
    IN PMIB_IPNETROW    pArpEntry
    );

DWORD
WINAPI
SetIpNetEntry(
    IN PMIB_IPNETROW    pArpEntry
    );

DWORD
WINAPI
DeleteIpNetEntry(
    IN PMIB_IPNETROW    pArpEntry
    );

DWORD
WINAPI
FlushIpNetTable(
    IN DWORD   dwIfIndex
    );


//////////////////////////////////////////////////////////////////////////////
//                                                                          //
// Used to create or delete a Proxy ARP entry. The dwIndex is the index of  //
// the interface on which to PARP for the dwAddress.  If the interface is   //
// of a type that doesnt support ARP, e.g. PPP, then the call will fail     //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

DWORD
WINAPI
CreateProxyArpEntry(
    IN  DWORD   dwAddress,
    IN  DWORD   dwMask,
    IN  DWORD   dwIfIndex
    );

DWORD
WINAPI
DeleteProxyArpEntry(
    IN  DWORD   dwAddress,
    IN  DWORD   dwMask,
    IN  DWORD   dwIfIndex
    );

//////////////////////////////////////////////////////////////////////////////
//                                                                          //
// Used to set the state of a TCP Connection. The only state that it can be //
// set to is MIB_TCP_STATE_DELETE_TCB.  The complete MIB_TCPROW structure   //
// MUST BE SPECIFIED                                                        //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

DWORD
WINAPI
SetTcpEntry(
    IN PMIB_TCPROW pTcpRow
    );


DWORD
WINAPI
GetInterfaceInfo(
    IN PIP_INTERFACE_INFO pIfTable,
    OUT PULONG            dwOutBufLen
    );

DWORD
WINAPI
GetUniDirectionalAdapterInfo(OUT PIP_UNIDIRECTIONAL_ADAPTER_ADDRESS pIPIfInfo,
                 OUT PULONG dwOutBufLen
                 );

//////////////////////////////////////////////////////////////////////////////
//                                                                          //
// Gets the "best" outgoing interface for the specified destination address //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

DWORD
WINAPI
GetBestInterface(
    IN  IPAddr  dwDestAddr,
    OUT PDWORD  pdwBestIfIndex
    );

//////////////////////////////////////////////////////////////////////////////
//                                                                          //
// Gets the best (longest matching prefix) route for the given destination  //
// If the source address is also specified (i.e. is not 0x00000000), and    //
// there are multiple "best" routes to the given destination, the returned  //
// route will be one that goes out over the interface which has an address  //
// that matches the source address                                          //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

DWORD
WINAPI
GetBestRoute(
    IN  DWORD               dwDestAddr,
    IN  DWORD               dwSourceAddr, OPTIONAL
    OUT PMIB_IPFORWARDROW   pBestRoute
    );

DWORD
WINAPI
NotifyAddrChange(
    OUT PHANDLE      Handle,
    IN  LPOVERLAPPED overlapped
    );


DWORD
WINAPI
NotifyRouteChange(
    OUT PHANDLE      Handle,
    IN  LPOVERLAPPED overlapped
    );


DWORD
WINAPI
GetAdapterIndex(
    IN LPWSTR  AdapterName,
    OUT PULONG IfIndex
    );

DWORD
WINAPI
AddIPAddress(
    IPAddr  Address,
    IPMask  IpMask,
    DWORD   IfIndex,
    PULONG  NTEContext,
    PULONG  NTEInstance
    );

DWORD
WINAPI
DeleteIPAddress(
    ULONG NTEContext
    );

DWORD
WINAPI
GetNetworkParams(
    PFIXED_INFO pFixedInfo, PULONG pOutBufLen
    );

DWORD
WINAPI
GetAdaptersInfo(
    PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen
    );

#ifdef _WINSOCK2API_

//
// The following functions require Winsock2.
//

DWORD
WINAPI
GetAdaptersAddresses(
    ULONG Family,
    DWORD Flags,
    PVOID Reserved,
    PIP_ADAPTER_ADDRESSES pAdapterAddresses, 
    PULONG pOutBufLen
    );

#endif

DWORD
WINAPI
GetPerAdapterInfo(
    ULONG IfIndex, PIP_PER_ADAPTER_INFO pPerAdapterInfo, PULONG pOutBufLen
    );

DWORD
WINAPI
IpReleaseAddress(
    PIP_ADAPTER_INDEX_MAP  AdapterInfo
    );


DWORD
WINAPI
IpRenewAddress(
    PIP_ADAPTER_INDEX_MAP  AdapterInfo
    );

DWORD
WINAPI
SendARP(
    IPAddr DestIP,
    IPAddr SrcIP,
    PULONG pMacAddr,
    PULONG  PhyAddrLen
    );

BOOL
WINAPI
GetRTTAndHopCount(
    IPAddr DestIpAddress,
    PULONG HopCount,
    ULONG  MaxHops,
    PULONG RTT
    );

DWORD
WINAPI
GetFriendlyIfIndex(
    DWORD IfIndex
    );

DWORD
WINAPI
EnableRouter(
    HANDLE* pHandle,
    OVERLAPPED* pOverlapped
    );

DWORD
WINAPI
UnenableRouter(
    OVERLAPPED* pOverlapped,
    LPDWORD lpdwEnableCount OPTIONAL
    );
DWORD
WINAPI
DisableMediaSense(
    HANDLE *pHandle,
    OVERLAPPED *pOverLapped
    );

DWORD
WINAPI
RestoreMediaSense(
    OVERLAPPED* pOverlapped,
    LPDWORD lpdwEnableCount OPTIONAL
    );

DWORD
WINAPI
GetIpErrorString(
    IN IP_STATUS ErrorCode,
    OUT PWCHAR Buffer,
    IN OUT PDWORD Size
    );

#ifdef __cplusplus
}
#endif

#endif //__IPHLPAPI_H__