/* Direct Play 2,3,4 Implementation
 *
 * Copyright 1998,1999 - Peter Hunnisett
 *
 * <presently under construction - contact hunnise@nortelnetworks.com>
 *
 */
#include <string.h>
#include "winerror.h"
#include "winnt.h"
#include "winreg.h"
#include "dplay.h"
#include "heap.h"
#include "debugtools.h"

DEFAULT_DEBUG_CHANNEL(dplay)


/*****************************************************************************
 * Predeclare the interface implementation structures
 */
typedef struct IDirectPlayImpl IDirectPlay2AImpl;
typedef struct IDirectPlayImpl IDirectPlay2Impl;
typedef struct IDirectPlayImpl IDirectPlay3AImpl;
typedef struct IDirectPlayImpl IDirectPlay3Impl;
typedef struct IDirectPlayImpl IDirectPlay4AImpl;
typedef struct IDirectPlayImpl IDirectPlay4Impl;

/* Forward declarations of virtual tables */
static ICOM_VTABLE(IDirectPlay2) directPlay2WVT;
static ICOM_VTABLE(IDirectPlay2) directPlay2AVT;
static ICOM_VTABLE(IDirectPlay3) directPlay3WVT;
static ICOM_VTABLE(IDirectPlay3) directPlay3AVT;
static ICOM_VTABLE(IDirectPlay4) directPlay4WVT;
static ICOM_VTABLE(IDirectPlay4) directPlay4AVT;

/*****************************************************************************
 * IDirectPlay implementation structure
 */
struct IDirectPlayImpl
{
    /* IUnknown fields */
    ICOM_VTABLE(IDirectPlay4)* lpvtbl;
    DWORD                      ref;
    CRITICAL_SECTION           DP_lock;
    /* IDirectPlay3Impl fields */
    /* none so far */
    /* IDirectPlay4Impl fields */
    /* none so far */
};



/* Get a new interface. To be used by QueryInterface. */ 
extern 
HRESULT directPlay_QueryInterface 
         ( REFIID riid, LPVOID* ppvObj )
{

  if( IsEqualGUID( &IID_IDirectPlay2, riid ) )
  {
    IDirectPlay2Impl* lpDP;

    lpDP = (IDirectPlay2Impl*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
                                         sizeof( *lpDP ) );

    if( !lpDP ) 
    {
       return DPERR_OUTOFMEMORY;
    }

    lpDP->lpvtbl = &directPlay2WVT;

    InitializeCriticalSection( &lpDP->DP_lock );
    IDirectPlayX_AddRef( lpDP );

    *ppvObj = lpDP;

    return S_OK;
  } 
  else if( IsEqualGUID( &IID_IDirectPlay2A, riid ) )
  {
    IDirectPlay2AImpl* lpDP;

    lpDP = (IDirectPlay2AImpl*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
                                          sizeof( *lpDP ) );

    if( !lpDP )
    {
       return DPERR_OUTOFMEMORY;
    }

    lpDP->lpvtbl = &directPlay2AVT;
    InitializeCriticalSection( &lpDP->DP_lock );
    IDirectPlayX_AddRef( lpDP );

    *ppvObj = lpDP;

    return S_OK;
  }
  else if( IsEqualGUID( &IID_IDirectPlay3, riid ) )
  {
    IDirectPlay3Impl* lpDP;

    lpDP = (IDirectPlay3Impl*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
                                         sizeof( *lpDP ) );

    if( !lpDP )
    {
       return DPERR_OUTOFMEMORY;
    }

    lpDP->lpvtbl = &directPlay3WVT;
    InitializeCriticalSection( &lpDP->DP_lock );
    IDirectPlayX_AddRef( lpDP );

    *ppvObj = lpDP;

    return S_OK;
  }
  else if( IsEqualGUID( &IID_IDirectPlay3A, riid ) )
  {
    IDirectPlay3AImpl* lpDP;

    lpDP = (IDirectPlay3AImpl*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
                                          sizeof( *lpDP ) );

    if( !lpDP )
    {
       return DPERR_OUTOFMEMORY;
    }

    lpDP->lpvtbl = &directPlay3AVT;
    InitializeCriticalSection( &lpDP->DP_lock );
    IDirectPlayX_AddRef( lpDP );

    *ppvObj = lpDP;

    return S_OK;
  }
  else if( IsEqualGUID( &IID_IDirectPlay4, riid ) )
  {
    IDirectPlay4Impl* lpDP;

    lpDP = (IDirectPlay4Impl*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
                                         sizeof( *lpDP ) );

    if( !lpDP )
    {
       return DPERR_OUTOFMEMORY;
    }

    lpDP->lpvtbl = &directPlay4WVT;
    InitializeCriticalSection( &lpDP->DP_lock );
    IDirectPlayX_AddRef( lpDP );

    *ppvObj = lpDP;

    return S_OK;
  }
  else if( IsEqualGUID( &IID_IDirectPlay4A, riid ) )
  {
    IDirectPlay4AImpl* lpDP;

    lpDP = (IDirectPlay4AImpl*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
                                          sizeof( *lpDP ) );

    if( !lpDP )
    {
       return DPERR_OUTOFMEMORY;
    }

    lpDP->lpvtbl = &directPlay4AVT;
    InitializeCriticalSection( &lpDP->DP_lock );
    IDirectPlayX_AddRef( lpDP );

    *ppvObj = lpDP;

    return S_OK;
  }

  /* Unsupported interface */
  *ppvObj = NULL;
  return E_NOINTERFACE;
}


/* Direct Play methods */
static HRESULT WINAPI DirectPlay2W_QueryInterface
         ( LPDIRECTPLAY2 iface, REFIID riid, LPVOID* ppvObj )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  TRACE("(%p)->(%p,%p)\n", This, riid, ppvObj );

  if( IsEqualGUID( &IID_IUnknown, riid ) ||
      IsEqualGUID( &IID_IDirectPlay2, riid )
    )
  {
    IDirectPlayX_AddRef( iface );
    *ppvObj = This;
    return S_OK;
  }
  return directPlay_QueryInterface( riid, ppvObj );
}

static HRESULT WINAPI DirectPlay2A_QueryInterface
         ( LPDIRECTPLAY2A iface, REFIID riid, LPVOID* ppvObj )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  TRACE("(%p)->(%p,%p)\n", This, riid, ppvObj );

  if( IsEqualGUID( &IID_IUnknown, riid ) ||
      IsEqualGUID( &IID_IDirectPlay2A, riid )
    )
  {
    IDirectPlayX_AddRef( iface );
    *ppvObj = This;
    return S_OK;
  }

  return directPlay_QueryInterface( riid, ppvObj );
}

static HRESULT WINAPI DirectPlay3WImpl_QueryInterface
         ( LPDIRECTPLAY3 iface, REFIID riid, LPVOID* ppvObj )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  TRACE("(%p)->(%p,%p)\n", This, riid, ppvObj );

  if( IsEqualGUID( &IID_IUnknown, riid ) ||
      IsEqualGUID( &IID_IDirectPlay3, riid )
    )
  {
    IDirectPlayX_AddRef( iface );
    *ppvObj = This;
    return S_OK;
  }

  return directPlay_QueryInterface( riid, ppvObj );
}

static HRESULT WINAPI DirectPlay3AImpl_QueryInterface
         ( LPDIRECTPLAY3A iface, REFIID riid, LPVOID* ppvObj )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  TRACE("(%p)->(%p,%p)\n", This, riid, ppvObj );

  if( IsEqualGUID( &IID_IUnknown, riid ) ||
      IsEqualGUID( &IID_IDirectPlay3A, riid )
    )
  {
    IDirectPlayX_AddRef( iface );
    *ppvObj = This;
    return S_OK;
  }

  return directPlay_QueryInterface( riid, ppvObj );
}

static HRESULT WINAPI DirectPlay4WImpl_QueryInterface
         ( LPDIRECTPLAY4 iface, REFIID riid, LPVOID* ppvObj )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  TRACE("(%p)->(%p,%p)\n", This, riid, ppvObj );

  if( IsEqualGUID( &IID_IUnknown, riid ) ||
      IsEqualGUID( &IID_IDirectPlay4, riid )
    )
  {
    IDirectPlayX_AddRef( iface );
    *ppvObj = This;
    return S_OK;
  }

  return directPlay_QueryInterface( riid, ppvObj );
}


static HRESULT WINAPI DirectPlay4AImpl_QueryInterface
         ( LPDIRECTPLAY4A iface, REFIID riid, LPVOID* ppvObj )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  TRACE("(%p)->(%p,%p)\n", This, riid, ppvObj );

  if( IsEqualGUID( &IID_IUnknown, riid ) ||
      IsEqualGUID( &IID_IDirectPlay4A, riid )
    )
  {
    IDirectPlayX_AddRef( iface );
    *ppvObj = This;
    return S_OK;
  }

  return directPlay_QueryInterface( riid, ppvObj );
}


/* Shared between all dplay types */
static ULONG WINAPI DirectPlay2AImpl_AddRef
         ( LPDIRECTPLAY3 iface )
{
  ULONG refCount;
  ICOM_THIS(IDirectPlay3Impl,iface);

  EnterCriticalSection( &This->DP_lock ); 
  {
    refCount = ++(This->ref);
  }  
  LeaveCriticalSection( &This->DP_lock );

  TRACE("ref count incremented to %lu for %p\n", refCount, This );

  return (This->ref);
}

static ULONG WINAPI DirectPlay2AImpl_Release
( LPDIRECTPLAY3 iface )
{
  ULONG refCount;

  ICOM_THIS(IDirectPlay3Impl,iface);

  EnterCriticalSection( &This->DP_lock );
  {
    refCount = --(This->ref);
  }
  LeaveCriticalSection( &This->DP_lock );

  TRACE("ref count decremeneted to %lu for %p\n", refCount, This );

  /* Deallocate if this is the last reference to the object */
  if( refCount == 0 )
  {
    FIXME("memory leak\n" );
    /* Implement memory deallocation */

    HeapFree( GetProcessHeap(), 0, This );
  }

  return refCount;
}

static HRESULT WINAPI DirectPlay2AImpl_AddPlayerToGroup
          ( LPDIRECTPLAY2A iface, DPID idGroup, DPID idPlayer )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idGroup, idPlayer );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_AddPlayerToGroup
          ( LPDIRECTPLAY2 iface, DPID idGroup, DPID idPlayer )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idGroup, idPlayer );
  return DP_OK;
}


static HRESULT WINAPI DirectPlay2AImpl_Close
          ( LPDIRECTPLAY2A iface )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(): stub\n", This );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_Close
          ( LPDIRECTPLAY2 iface )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(): stub\n", This );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_CreateGroup
          ( LPDIRECTPLAY2A iface, LPDPID lpidGroup, LPDPNAME lpGroupName, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx,0x%08lx): stub\n", This, lpidGroup, lpGroupName, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_CreateGroup
          ( LPDIRECTPLAY2 iface, LPDPID lpidGroup, LPDPNAME lpGroupName, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx,0x%08lx): stub\n", This, lpidGroup, lpGroupName, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_CreatePlayer
          ( LPDIRECTPLAY2A iface, LPDPID lpidPlayer, LPDPNAME lpPlayerName, HANDLE hEvent, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%d,%p,0x%08lx,0x%08lx): stub\n", This, lpidPlayer, lpPlayerName, hEvent, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_CreatePlayer
          ( LPDIRECTPLAY2 iface, LPDPID lpidPlayer, LPDPNAME lpPlayerName, HANDLE hEvent, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%d,%p,0x%08lx,0x%08lx): stub\n", This, lpidPlayer, lpPlayerName, hEvent, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_DeletePlayerFromGroup
          ( LPDIRECTPLAY2A iface, DPID idGroup, DPID idPlayer )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idGroup, idPlayer );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_DeletePlayerFromGroup
          ( LPDIRECTPLAY2 iface, DPID idGroup, DPID idPlayer )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idGroup, idPlayer );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_DestroyGroup
          ( LPDIRECTPLAY2A iface, DPID idGroup )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx): stub\n", This, idGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_DestroyGroup
          ( LPDIRECTPLAY2 iface, DPID idGroup )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx): stub\n", This, idGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_DestroyPlayer
          ( LPDIRECTPLAY2A iface, DPID idPlayer )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx): stub\n", This, idPlayer );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_DestroyPlayer
          ( LPDIRECTPLAY2 iface, DPID idPlayer )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx): stub\n", This, idPlayer );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_EnumGroupPlayers
          ( LPDIRECTPLAY2A iface, DPID idGroup, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumPlayersCallback2,
            LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,%p,0x%08lx): stub\n", This, idGroup, lpguidInstance, lpEnumPlayersCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_EnumGroupPlayers
          ( LPDIRECTPLAY2 iface, DPID idGroup, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumPlayersCallback2,
            LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,%p,0x%08lx): stub\n", This, idGroup, lpguidInstance, lpEnumPlayersCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_EnumGroups
          ( LPDIRECTPLAY2A iface, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumPlayersCallback2, LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx): stub\n", This, lpguidInstance, lpEnumPlayersCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_EnumGroups
          ( LPDIRECTPLAY2 iface, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumPlayersCallback2, LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx): stub\n", This, lpguidInstance, lpEnumPlayersCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_EnumPlayers
          ( LPDIRECTPLAY2A iface, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumPlayersCallback2, LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx): stub\n", This, lpguidInstance, lpEnumPlayersCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_EnumPlayers
          ( LPDIRECTPLAY2 iface, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumPlayersCallback2, LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx): stub\n", This, lpguidInstance, lpEnumPlayersCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_EnumSessions
          ( LPDIRECTPLAY2A iface, LPDPSESSIONDESC2 lpsd, DWORD dwTimeout, LPDPENUMSESSIONSCALLBACK2 lpEnumSessionsCallback2,
            LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx,%p,%p,0x%08lx): stub\n", This, lpsd, dwTimeout, lpEnumSessionsCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_EnumSessions
          ( LPDIRECTPLAY2 iface, LPDPSESSIONDESC2 lpsd, DWORD dwTimeout, LPDPENUMSESSIONSCALLBACK2 lpEnumSessionsCallback2,
            LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx,%p,%p,0x%08lx): stub\n", This, lpsd, dwTimeout, lpEnumSessionsCallback2, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetCaps
          ( LPDIRECTPLAY2A iface, LPDPCAPS lpDPCaps, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpDPCaps, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetCaps
          ( LPDIRECTPLAY2 iface, LPDPCAPS lpDPCaps, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpDPCaps, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetGroupData
          ( LPDIRECTPLAY2 iface, DPID idGroup, LPVOID lpData, LPDWORD lpdwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,0x%08lx): stub\n", This, idGroup, lpData, lpdwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetGroupData
          ( LPDIRECTPLAY2 iface, DPID idGroup, LPVOID lpData, LPDWORD lpdwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,0x%08lx): stub\n", This, idGroup, lpData, lpdwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetGroupName
          ( LPDIRECTPLAY2A iface, DPID idGroup, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p): stub\n", This, idGroup, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetGroupName
          ( LPDIRECTPLAY2 iface, DPID idGroup, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p): stub\n", This, idGroup, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetMessageCount
          ( LPDIRECTPLAY2A iface, DPID idPlayer, LPDWORD lpdwCount )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idPlayer, lpdwCount );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetMessageCount
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPDWORD lpdwCount )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idPlayer, lpdwCount );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetPlayerAddress
          ( LPDIRECTPLAY2A iface, DPID idPlayer, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p): stub\n", This, idPlayer, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetPlayerAddress
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p): stub\n", This, idPlayer, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetPlayerCaps
          ( LPDIRECTPLAY2A iface, DPID idPlayer, LPDPCAPS lpPlayerCaps, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx): stub\n", This, idPlayer, lpPlayerCaps, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetPlayerCaps
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPDPCAPS lpPlayerCaps, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx): stub\n", This, idPlayer, lpPlayerCaps, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetPlayerData
          ( LPDIRECTPLAY2A iface, DPID idPlayer, LPVOID lpData, LPDWORD lpdwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,0x%08lx): stub\n", This, idPlayer, lpData, lpdwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetPlayerData
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPVOID lpData, LPDWORD lpdwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,0x%08lx): stub\n", This, idPlayer, lpData, lpdwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetPlayerName
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p): stub\n", This, idPlayer, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetPlayerName
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p): stub\n", This, idPlayer, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_GetSessionDesc
          ( LPDIRECTPLAY2A iface, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p): stub\n", This, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_GetSessionDesc
          ( LPDIRECTPLAY2 iface, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p): stub\n", This, lpData, lpdwDataSize );
  return DP_OK;
}

/* Intended only for COM compatibility. Always returns an error. */
static HRESULT WINAPI DirectPlay2AImpl_Initialize
          ( LPDIRECTPLAY2A iface, LPGUID lpGUID )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  TRACE("(%p)->(%p): stub\n", This, lpGUID );
  return DPERR_ALREADYINITIALIZED;
}

/* Intended only for COM compatibility. Always returns an error. */
static HRESULT WINAPI DirectPlay2WImpl_Initialize
          ( LPDIRECTPLAY2 iface, LPGUID lpGUID )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  TRACE("(%p)->(%p): stub\n", This, lpGUID );
  return DPERR_ALREADYINITIALIZED;
}


static HRESULT WINAPI DirectPlay2AImpl_Open
          ( LPDIRECTPLAY2A iface, LPDPSESSIONDESC2 lpsd, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpsd, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_Open
          ( LPDIRECTPLAY2 iface, LPDPSESSIONDESC2 lpsd, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpsd, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_Receive
          ( LPDIRECTPLAY2A iface, LPDPID lpidFrom, LPDPID lpidTo, DWORD dwFlags, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,0x%08lx,%p,%p): stub\n", This, lpidFrom, lpidTo, dwFlags, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_Receive
          ( LPDIRECTPLAY2 iface, LPDPID lpidFrom, LPDPID lpidTo, DWORD dwFlags, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,%p,0x%08lx,%p,%p): stub\n", This, lpidFrom, lpidTo, dwFlags, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_Send
          ( LPDIRECTPLAY2A iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPVOID lpData, DWORD dwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p,0x%08lx): stub\n", This, idFrom, idTo, dwFlags, lpData, dwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_Send
          ( LPDIRECTPLAY2 iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPVOID lpData, DWORD dwDataSize )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p,0x%08lx): stub\n", This, idFrom, idTo, dwFlags, lpData, dwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_SetGroupData
          ( LPDIRECTPLAY2A iface, DPID idGroup, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx,0x%08lx): stub\n", This, idGroup, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_SetGroupData
          ( LPDIRECTPLAY2 iface, DPID idGroup, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{   
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx,0x%08lx): stub\n", This, idGroup, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_SetGroupName
          ( LPDIRECTPLAY2A iface, DPID idGroup, LPDPNAME lpGroupName, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx): stub\n", This, idGroup, lpGroupName, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_SetGroupName
          ( LPDIRECTPLAY2 iface, DPID idGroup, LPDPNAME lpGroupName, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx): stub\n", This, idGroup, lpGroupName, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_SetPlayerData
          ( LPDIRECTPLAY2A iface, DPID idPlayer, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx,0x%08lx): stub\n", This, idPlayer, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_SetPlayerData
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx,0x%08lx): stub\n", This, idPlayer, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_SetPlayerName
          ( LPDIRECTPLAY2A iface, DPID idPlayer, LPDPNAME lpPlayerName, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx): stub\n", This, idPlayer, lpPlayerName, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_SetPlayerName
          ( LPDIRECTPLAY2 iface, DPID idPlayer, LPDPNAME lpPlayerName, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,0x%08lx): stub\n", This, idPlayer, lpPlayerName, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2AImpl_SetSessionDesc
          ( LPDIRECTPLAY2A iface, LPDPSESSIONDESC2 lpSessDesc, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpSessDesc, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay2WImpl_SetSessionDesc
          ( LPDIRECTPLAY2 iface, LPDPSESSIONDESC2 lpSessDesc, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay2Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpSessDesc, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_AddGroupToGroup
          ( LPDIRECTPLAY3A iface, DPID idParentGroup, DPID idGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idParentGroup, idGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_AddGroupToGroup
          ( LPDIRECTPLAY3 iface, DPID idParentGroup, DPID idGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idParentGroup, idGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_CreateGroupInGroup
          ( LPDIRECTPLAY3A iface, DPID idParentGroup, LPDPID lpidGroup, LPDPNAME lpGroupName, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,%p,0x%08lx,0x%08lx): stub\n", This, idParentGroup, lpidGroup, lpGroupName, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_CreateGroupInGroup
          ( LPDIRECTPLAY3 iface, DPID idParentGroup, LPDPID lpidGroup, LPDPNAME lpGroupName, LPVOID lpData, DWORD dwDataSize, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,%p,0x%08lx,0x%08lx): stub\n", This, idParentGroup, lpidGroup, lpGroupName, lpData, dwDataSize, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_DeleteGroupFromGroup
          ( LPDIRECTPLAY3A iface, DPID idParentGroup, DPID idGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idParentGroup, idGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_DeleteGroupFromGroup
          ( LPDIRECTPLAY3 iface, DPID idParentGroup, DPID idGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idParentGroup, idGroup );
  return DP_OK;
}

#if 0
typedef BOOL (CALLBACK* LPDPENUMDPCALLBACKA)(
    LPGUID      lpguidSP,
    LPSTR       lpSPName,       /* ptr to str w/ driver description */
    DWORD       dwMajorVersion, /* Major # of driver spec in lpguidSP */
    DWORD       dwMinorVersion, /* Minor # of driver spec in lpguidSP */
    LPVOID      lpContext);     /* User given */

typedef BOOL (CALLBACK* LPDPENUMCONNECTIONSCALLBACK)(
    LPCGUID     lpguidSP,
    LPVOID      lpConnection,
    DWORD       dwConnectionSize,
    LPCDPNAME   lpName,
    DWORD       dwFlags,
    LPVOID      lpContext);

#endif

static HRESULT WINAPI DirectPlay3AImpl_EnumConnections
          ( LPDIRECTPLAY3A iface, LPCGUID lpguidApplication, LPDPENUMCONNECTIONSCALLBACK lpEnumCallback, LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx): stub\n", This, lpguidApplication, lpEnumCallback, lpContext, dwFlags );

  /* A default dwFlags (0) is backwards compatible -- DPCONNECTION_DIRECTPLAY */
  if( dwFlags == 0 )
  {
    dwFlags = DPCONNECTION_DIRECTPLAY;
  }

  if( ! ( ( dwFlags & DPCONNECTION_DIRECTPLAY ) ||
          ( dwFlags & DPCONNECTION_DIRECTPLAYLOBBY ) )
    ) 
  {
    return DPERR_INVALIDFLAGS;
  }

  if( lpguidApplication != NULL )
  {
    FIXME( ": don't know how to deal with a non NULL lpguidApplication yet\n" );
  }

  /* Enumerate DirectPlay service providers */
  if( dwFlags & DPCONNECTION_DIRECTPLAY )
  {

  }

  /* Enumerate DirectPlayLobby service providers */
  if( dwFlags & DPCONNECTION_DIRECTPLAYLOBBY )
  {

  }

  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_EnumConnections
          ( LPDIRECTPLAY3 iface, LPCGUID lpguidApplication, LPDPENUMCONNECTIONSCALLBACK lpEnumCallback, LPVOID lpContext, DWORD dwFlags )
{ 
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(%p,%p,%p,0x%08lx): stub\n", This, lpguidApplication, lpEnumCallback, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_EnumGroupsInGroup
          ( LPDIRECTPLAY3A iface, DPID idGroup, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumCallback, LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,%p,0x%08lx): stub\n", This, idGroup, lpguidInstance, lpEnumCallback, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_EnumGroupsInGroup
          ( LPDIRECTPLAY3 iface, DPID idGroup, LPGUID lpguidInstance, LPDPENUMPLAYERSCALLBACK2 lpEnumCallback, LPVOID lpContext, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p,%p,%p,0x%08lx): stub\n", This, idGroup, lpguidInstance, lpEnumCallback, lpContext, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_GetGroupConnectionSettings
          ( LPDIRECTPLAY3A iface, DWORD dwFlags, DPID idGroup, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,%p,%p): stub\n", This, dwFlags, idGroup, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_GetGroupConnectionSettings
          ( LPDIRECTPLAY3 iface, DWORD dwFlags, DPID idGroup, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,%p,%p): stub\n", This, dwFlags, idGroup, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_InitializeConnection
          ( LPDIRECTPLAY3A iface, LPVOID lpConnection, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpConnection, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_InitializeConnection
          ( LPDIRECTPLAY3 iface, LPVOID lpConnection, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(%p,0x%08lx): stub\n", This, lpConnection, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_SecureOpen
          ( LPDIRECTPLAY3A iface, LPCDPSESSIONDESC2 lpsd, DWORD dwFlags, LPCDPSECURITYDESC lpSecurity, LPCDPCREDENTIALS lpCredentials )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(%p,0x%08lx,%p,%p): stub\n", This, lpsd, dwFlags, lpSecurity, lpCredentials );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_SecureOpen
          ( LPDIRECTPLAY3 iface, LPCDPSESSIONDESC2 lpsd, DWORD dwFlags, LPCDPSECURITYDESC lpSecurity, LPCDPCREDENTIALS lpCredentials )
{   
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(%p,0x%08lx,%p,%p): stub\n", This, lpsd, dwFlags, lpSecurity, lpCredentials );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_SendChatMessage
          ( LPDIRECTPLAY3A iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPDPCHAT lpChatMessage )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p): stub\n", This, idFrom, idTo, dwFlags, lpChatMessage );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_SendChatMessage
          ( LPDIRECTPLAY3 iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPDPCHAT lpChatMessage )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p): stub\n", This, idFrom, idTo, dwFlags, lpChatMessage );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_SetGroupConnectionSettings
          ( LPDIRECTPLAY3A iface, DWORD dwFlags, DPID idGroup, LPDPLCONNECTION lpConnection )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,%p): stub\n", This, dwFlags, idGroup, lpConnection );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_SetGroupConnectionSettings
          ( LPDIRECTPLAY3 iface, DWORD dwFlags, DPID idGroup, LPDPLCONNECTION lpConnection )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,%p): stub\n", This, dwFlags, idGroup, lpConnection );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_StartSession
          ( LPDIRECTPLAY3A iface, DWORD dwFlags, DPID idGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, dwFlags, idGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_StartSession
          ( LPDIRECTPLAY3 iface, DWORD dwFlags, DPID idGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, dwFlags, idGroup );
  return DP_OK;
}
 
static HRESULT WINAPI DirectPlay3AImpl_GetGroupFlags
          ( LPDIRECTPLAY3A iface, DPID idGroup, LPDWORD lpdwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idGroup, lpdwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_GetGroupFlags
          ( LPDIRECTPLAY3 iface, DPID idGroup, LPDWORD lpdwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idGroup, lpdwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_GetGroupParent
          ( LPDIRECTPLAY3A iface, DPID idGroup, LPDPID lpidGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idGroup, lpidGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_GetGroupParent
          ( LPDIRECTPLAY3 iface, DPID idGroup, LPDPID lpidGroup )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idGroup, lpidGroup );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_GetPlayerAccount
          ( LPDIRECTPLAY3A iface, DPID idPlayer, DWORD dwFlags, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,%p,%p): stub\n", This, idPlayer, dwFlags, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_GetPlayerAccount
          ( LPDIRECTPLAY3 iface, DPID idPlayer, DWORD dwFlags, LPVOID lpData, LPDWORD lpdwDataSize )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,%p,%p): stub\n", This, idPlayer, dwFlags, lpData, lpdwDataSize );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3AImpl_GetPlayerFlags
          ( LPDIRECTPLAY3A iface, DPID idPlayer, LPDWORD lpdwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idPlayer, lpdwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay3WImpl_GetPlayerFlags
          ( LPDIRECTPLAY3 iface, DPID idPlayer, LPDWORD lpdwFlags )
{
  ICOM_THIS(IDirectPlay3Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idPlayer, lpdwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4AImpl_GetGroupOwner
          ( LPDIRECTPLAY4A iface, DPID idGroup, LPDPID lpidGroupOwner )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idGroup, lpidGroupOwner );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4WImpl_GetGroupOwner
          ( LPDIRECTPLAY4 iface, DPID idGroup, LPDPID lpidGroupOwner )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,%p): stub\n", This, idGroup, lpidGroupOwner );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4AImpl_SetGroupOwner
          ( LPDIRECTPLAY4A iface, DPID idGroup , DPID idGroupOwner )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idGroup, idGroupOwner );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4WImpl_SetGroupOwner
          ( LPDIRECTPLAY4 iface, DPID idGroup , DPID idGroupOwner )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, idGroup, idGroupOwner );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4AImpl_SendEx
          ( LPDIRECTPLAY4A iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPVOID lpData, DWORD dwDataSize, DWORD dwPriority, DWORD dwTimeout, LPVOID lpContext, LPDWORD lpdwMsgID )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p,0x%08lx,0x%08lx,0x%08lx,%p,%p): stub\n", This, idFrom, idTo, dwFlags, lpData, dwDataSize, dwPriority, dwTimeout, lpContext, lpdwMsgID );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4WImpl_SendEx
          ( LPDIRECTPLAY4 iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPVOID lpData, DWORD dwDataSize, DWORD dwPriority, DWORD dwTimeout, LPVOID lpContext, LPDWORD lpdwMsgID )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p,0x%08lx,0x%08lx,0x%08lx,%p,%p): stub\n", This, idFrom, idTo, dwFlags, lpData, dwDataSize, dwPriority, dwTimeout, lpContext, lpdwMsgID );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4AImpl_GetMessageQueue
          ( LPDIRECTPLAY4A iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPDWORD lpdwNumMsgs, LPDWORD lpdwNumBytes )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p,%p): stub\n", This, idFrom, idTo, dwFlags, lpdwNumMsgs, lpdwNumBytes );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4WImpl_GetMessageQueue
          ( LPDIRECTPLAY4 iface, DPID idFrom, DPID idTo, DWORD dwFlags, LPDWORD lpdwNumMsgs, LPDWORD lpdwNumBytes )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx,%p,%p): stub\n", This, idFrom, idTo, dwFlags, lpdwNumMsgs, lpdwNumBytes );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4AImpl_CancelMessage
          ( LPDIRECTPLAY4A iface, DWORD dwMsgID, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, dwMsgID, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4WImpl_CancelMessage
          ( LPDIRECTPLAY4 iface, DWORD dwMsgID, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx): stub\n", This, dwMsgID, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4AImpl_CancelPriority
          ( LPDIRECTPLAY4A iface, DWORD dwMinPriority, DWORD dwMaxPriority, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx): stub\n", This, dwMinPriority, dwMaxPriority, dwFlags );
  return DP_OK;
}

static HRESULT WINAPI DirectPlay4WImpl_CancelPriority
          ( LPDIRECTPLAY4 iface, DWORD dwMinPriority, DWORD dwMaxPriority, DWORD dwFlags )
{
  ICOM_THIS(IDirectPlay4Impl,iface);
  FIXME("(%p)->(0x%08lx,0x%08lx,0x%08lx): stub\n", This, dwMinPriority, dwMaxPriority, dwFlags );
  return DP_OK;
}

/* Note: Hack so we can reuse the old functions without compiler warnings */
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)     (typeof(directPlay2WVT.fn##fun))
#else
# define XCAST(fun)     (void*)
#endif

static ICOM_VTABLE(IDirectPlay2) directPlay2WVT = 
{
  ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  DirectPlay2W_QueryInterface,
  XCAST(AddRef)DirectPlay2AImpl_AddRef,
  XCAST(Release)DirectPlay2AImpl_Release,

  DirectPlay2WImpl_AddPlayerToGroup,
  DirectPlay2WImpl_Close,
  DirectPlay2WImpl_CreateGroup,
  DirectPlay2WImpl_CreatePlayer,
  DirectPlay2WImpl_DeletePlayerFromGroup,
  DirectPlay2WImpl_DestroyGroup,
  DirectPlay2WImpl_DestroyPlayer,
  DirectPlay2WImpl_EnumGroupPlayers,
  DirectPlay2WImpl_EnumGroups,
  DirectPlay2WImpl_EnumPlayers,
  DirectPlay2WImpl_EnumSessions,
  DirectPlay2WImpl_GetCaps,
  DirectPlay2WImpl_GetGroupData,
  DirectPlay2WImpl_GetGroupName,
  DirectPlay2WImpl_GetMessageCount,
  DirectPlay2WImpl_GetPlayerAddress,
  DirectPlay2WImpl_GetPlayerCaps,
  DirectPlay2WImpl_GetPlayerData,
  DirectPlay2WImpl_GetPlayerName,
  DirectPlay2WImpl_GetSessionDesc,
  DirectPlay2WImpl_Initialize,
  DirectPlay2WImpl_Open,
  DirectPlay2WImpl_Receive,
  DirectPlay2WImpl_Send,
  DirectPlay2WImpl_SetGroupData,
  DirectPlay2WImpl_SetGroupName,
  DirectPlay2WImpl_SetPlayerData,
  DirectPlay2WImpl_SetPlayerName,
  DirectPlay2WImpl_SetSessionDesc
};
#undef XCAST

/* Note: Hack so we can reuse the old functions without compiler warnings */
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)     (typeof(directPlay2AVT.fn##fun))
#else
# define XCAST(fun)     (void*)
#endif

static ICOM_VTABLE(IDirectPlay2) directPlay2AVT = 
{
  ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  DirectPlay2A_QueryInterface,
  XCAST(AddRef)DirectPlay2AImpl_AddRef,
  XCAST(Release)DirectPlay2AImpl_Release,

  DirectPlay2AImpl_AddPlayerToGroup,
  DirectPlay2AImpl_Close,
  DirectPlay2AImpl_CreateGroup,
  DirectPlay2AImpl_CreatePlayer,
  DirectPlay2AImpl_DeletePlayerFromGroup,
  DirectPlay2AImpl_DestroyGroup,
  DirectPlay2AImpl_DestroyPlayer,
  DirectPlay2AImpl_EnumGroupPlayers,
  DirectPlay2AImpl_EnumGroups,
  DirectPlay2AImpl_EnumPlayers,
  DirectPlay2AImpl_EnumSessions,
  DirectPlay2AImpl_GetCaps,
  DirectPlay2AImpl_GetGroupData,
  DirectPlay2AImpl_GetGroupName,
  DirectPlay2AImpl_GetMessageCount,
  DirectPlay2AImpl_GetPlayerAddress,
  DirectPlay2AImpl_GetPlayerCaps,
  DirectPlay2AImpl_GetPlayerData,
  DirectPlay2AImpl_GetPlayerName,
  DirectPlay2AImpl_GetSessionDesc,
  DirectPlay2AImpl_Initialize,
  DirectPlay2AImpl_Open,
  DirectPlay2AImpl_Receive,
  DirectPlay2AImpl_Send,
  DirectPlay2AImpl_SetGroupData,
  DirectPlay2AImpl_SetGroupName,
  DirectPlay2AImpl_SetPlayerData,
  DirectPlay2AImpl_SetPlayerName,
  DirectPlay2AImpl_SetSessionDesc
};
#undef XCAST


/* Note: Hack so we can reuse the old functions without compiler warnings */
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)     (typeof(directPlay3AVT.fn##fun))
#else
# define XCAST(fun)     (void*)
#endif

static ICOM_VTABLE(IDirectPlay3) directPlay3AVT = 
{
  ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  DirectPlay3AImpl_QueryInterface,
  XCAST(AddRef)DirectPlay2AImpl_AddRef,
  XCAST(Release)DirectPlay2AImpl_Release,

  XCAST(AddPlayerToGroup)DirectPlay2AImpl_AddPlayerToGroup,
  XCAST(Close)DirectPlay2AImpl_Close,
  XCAST(CreateGroup)DirectPlay2AImpl_CreateGroup,
  XCAST(CreatePlayer)DirectPlay2AImpl_CreatePlayer,
  XCAST(DeletePlayerFromGroup)DirectPlay2AImpl_DeletePlayerFromGroup,
  XCAST(DestroyGroup)DirectPlay2AImpl_DestroyGroup,
  XCAST(DestroyPlayer)DirectPlay2AImpl_DestroyPlayer,
  XCAST(EnumGroupPlayers)DirectPlay2AImpl_EnumGroupPlayers,
  XCAST(EnumGroups)DirectPlay2AImpl_EnumGroups,
  XCAST(EnumPlayers)DirectPlay2AImpl_EnumPlayers,
  XCAST(EnumSessions)DirectPlay2AImpl_EnumSessions,
  XCAST(GetCaps)DirectPlay2AImpl_GetCaps,
  XCAST(GetGroupData)DirectPlay2AImpl_GetGroupData,
  XCAST(GetGroupName)DirectPlay2AImpl_GetGroupName,
  XCAST(GetMessageCount)DirectPlay2AImpl_GetMessageCount,
  XCAST(GetPlayerAddress)DirectPlay2AImpl_GetPlayerAddress,
  XCAST(GetPlayerCaps)DirectPlay2AImpl_GetPlayerCaps,
  XCAST(GetPlayerData)DirectPlay2AImpl_GetPlayerData,
  XCAST(GetPlayerName)DirectPlay2AImpl_GetPlayerName,
  XCAST(GetSessionDesc)DirectPlay2AImpl_GetSessionDesc,
  XCAST(Initialize)DirectPlay2AImpl_Initialize,
  XCAST(Open)DirectPlay2AImpl_Open,
  XCAST(Receive)DirectPlay2AImpl_Receive,
  XCAST(Send)DirectPlay2AImpl_Send,
  XCAST(SetGroupData)DirectPlay2AImpl_SetGroupData,
  XCAST(SetGroupName)DirectPlay2AImpl_SetGroupName,
  XCAST(SetPlayerData)DirectPlay2AImpl_SetPlayerData,
  XCAST(SetPlayerName)DirectPlay2AImpl_SetPlayerName,
  XCAST(SetSessionDesc)DirectPlay2AImpl_SetSessionDesc,

  DirectPlay3AImpl_AddGroupToGroup,
  DirectPlay3AImpl_CreateGroupInGroup,
  DirectPlay3AImpl_DeleteGroupFromGroup,
  DirectPlay3AImpl_EnumConnections,
  DirectPlay3AImpl_EnumGroupsInGroup,
  DirectPlay3AImpl_GetGroupConnectionSettings,
  DirectPlay3AImpl_InitializeConnection,
  DirectPlay3AImpl_SecureOpen,
  DirectPlay3AImpl_SendChatMessage,
  DirectPlay3AImpl_SetGroupConnectionSettings,
  DirectPlay3AImpl_StartSession,
  DirectPlay3AImpl_GetGroupFlags,
  DirectPlay3AImpl_GetGroupParent,
  DirectPlay3AImpl_GetPlayerAccount,
  DirectPlay3AImpl_GetPlayerFlags
};
#undef XCAST

/* Note: Hack so we can reuse the old functions without compiler warnings */
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)     (typeof(directPlay3WVT.fn##fun))
#else
# define XCAST(fun)     (void*)
#endif
static ICOM_VTABLE(IDirectPlay3) directPlay3WVT = 
{
  ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  DirectPlay3WImpl_QueryInterface,
  XCAST(AddRef)DirectPlay2AImpl_AddRef,
  XCAST(Release)DirectPlay2AImpl_Release,

  XCAST(AddPlayerToGroup)DirectPlay2WImpl_AddPlayerToGroup,
  XCAST(Close)DirectPlay2WImpl_Close,
  XCAST(CreateGroup)DirectPlay2WImpl_CreateGroup,
  XCAST(CreatePlayer)DirectPlay2WImpl_CreatePlayer,
  XCAST(DeletePlayerFromGroup)DirectPlay2WImpl_DeletePlayerFromGroup,
  XCAST(DestroyGroup)DirectPlay2WImpl_DestroyGroup,
  XCAST(DestroyPlayer)DirectPlay2WImpl_DestroyPlayer,
  XCAST(EnumGroupPlayers)DirectPlay2WImpl_EnumGroupPlayers,
  XCAST(EnumGroups)DirectPlay2WImpl_EnumGroups,
  XCAST(EnumPlayers)DirectPlay2WImpl_EnumPlayers,
  XCAST(EnumSessions)DirectPlay2WImpl_EnumSessions,
  XCAST(GetCaps)DirectPlay2WImpl_GetCaps,
  XCAST(GetGroupData)DirectPlay2WImpl_GetGroupData,
  XCAST(GetGroupName)DirectPlay2WImpl_GetGroupName,
  XCAST(GetMessageCount)DirectPlay2WImpl_GetMessageCount,
  XCAST(GetPlayerAddress)DirectPlay2WImpl_GetPlayerAddress,
  XCAST(GetPlayerCaps)DirectPlay2WImpl_GetPlayerCaps,
  XCAST(GetPlayerData)DirectPlay2WImpl_GetPlayerData,
  XCAST(GetPlayerName)DirectPlay2WImpl_GetPlayerName,
  XCAST(GetSessionDesc)DirectPlay2WImpl_GetSessionDesc,
  XCAST(Initialize)DirectPlay2WImpl_Initialize,
  XCAST(Open)DirectPlay2WImpl_Open,
  XCAST(Receive)DirectPlay2WImpl_Receive,
  XCAST(Send)DirectPlay2WImpl_Send,
  XCAST(SetGroupData)DirectPlay2WImpl_SetGroupData,
  XCAST(SetGroupName)DirectPlay2WImpl_SetGroupName,
  XCAST(SetPlayerData)DirectPlay2WImpl_SetPlayerData,
  XCAST(SetPlayerName)DirectPlay2WImpl_SetPlayerName,
  XCAST(SetSessionDesc)DirectPlay2WImpl_SetSessionDesc,

  DirectPlay3WImpl_AddGroupToGroup,
  DirectPlay3WImpl_CreateGroupInGroup,
  DirectPlay3WImpl_DeleteGroupFromGroup,
  DirectPlay3WImpl_EnumConnections,
  DirectPlay3WImpl_EnumGroupsInGroup,
  DirectPlay3WImpl_GetGroupConnectionSettings,
  DirectPlay3WImpl_InitializeConnection,
  DirectPlay3WImpl_SecureOpen,
  DirectPlay3WImpl_SendChatMessage,
  DirectPlay3WImpl_SetGroupConnectionSettings,
  DirectPlay3WImpl_StartSession,
  DirectPlay3WImpl_GetGroupFlags,
  DirectPlay3WImpl_GetGroupParent,
  DirectPlay3WImpl_GetPlayerAccount,
  DirectPlay3WImpl_GetPlayerFlags
};
#undef XCAST

/* Note: Hack so we can reuse the old functions without compiler warnings */
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)     (typeof(directPlay4WVT.fn##fun))
#else
# define XCAST(fun)     (void*)
#endif
static ICOM_VTABLE(IDirectPlay4) directPlay4WVT =
{
  ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  DirectPlay4WImpl_QueryInterface,
  XCAST(AddRef)DirectPlay2AImpl_AddRef,
  XCAST(Release)DirectPlay2AImpl_Release,

  XCAST(AddPlayerToGroup)DirectPlay2WImpl_AddPlayerToGroup,
  XCAST(Close)DirectPlay2WImpl_Close,
  XCAST(CreateGroup)DirectPlay2WImpl_CreateGroup,
  XCAST(CreatePlayer)DirectPlay2WImpl_CreatePlayer,
  XCAST(DeletePlayerFromGroup)DirectPlay2WImpl_DeletePlayerFromGroup,
  XCAST(DestroyGroup)DirectPlay2WImpl_DestroyGroup,
  XCAST(DestroyPlayer)DirectPlay2WImpl_DestroyPlayer,
  XCAST(EnumGroupPlayers)DirectPlay2WImpl_EnumGroupPlayers,
  XCAST(EnumGroups)DirectPlay2WImpl_EnumGroups,
  XCAST(EnumPlayers)DirectPlay2WImpl_EnumPlayers,
  XCAST(EnumSessions)DirectPlay2WImpl_EnumSessions,
  XCAST(GetCaps)DirectPlay2WImpl_GetCaps,
  XCAST(GetGroupData)DirectPlay2WImpl_GetGroupData,
  XCAST(GetGroupName)DirectPlay2WImpl_GetGroupName,
  XCAST(GetMessageCount)DirectPlay2WImpl_GetMessageCount,
  XCAST(GetPlayerAddress)DirectPlay2WImpl_GetPlayerAddress,
  XCAST(GetPlayerCaps)DirectPlay2WImpl_GetPlayerCaps,
  XCAST(GetPlayerData)DirectPlay2WImpl_GetPlayerData,
  XCAST(GetPlayerName)DirectPlay2WImpl_GetPlayerName,
  XCAST(GetSessionDesc)DirectPlay2WImpl_GetSessionDesc,
  XCAST(Initialize)DirectPlay2WImpl_Initialize,
  XCAST(Open)DirectPlay2WImpl_Open,
  XCAST(Receive)DirectPlay2WImpl_Receive,
  XCAST(Send)DirectPlay2WImpl_Send,
  XCAST(SetGroupData)DirectPlay2WImpl_SetGroupData,
  XCAST(SetGroupName)DirectPlay2WImpl_SetGroupName,
  XCAST(SetPlayerData)DirectPlay2WImpl_SetPlayerData,
  XCAST(SetPlayerName)DirectPlay2WImpl_SetPlayerName,
  XCAST(SetSessionDesc)DirectPlay2WImpl_SetSessionDesc,

  XCAST(AddGroupToGroup)DirectPlay3WImpl_AddGroupToGroup,
  XCAST(CreateGroupInGroup)DirectPlay3WImpl_CreateGroupInGroup,
  XCAST(DeleteGroupFromGroup)DirectPlay3WImpl_DeleteGroupFromGroup,
  XCAST(EnumConnections)DirectPlay3WImpl_EnumConnections,
  XCAST(EnumGroupsInGroup)DirectPlay3WImpl_EnumGroupsInGroup,
  XCAST(GetGroupConnectionSettings)DirectPlay3WImpl_GetGroupConnectionSettings,
  XCAST(InitializeConnection)DirectPlay3WImpl_InitializeConnection,
  XCAST(SecureOpen)DirectPlay3WImpl_SecureOpen,
  XCAST(SendChatMessage)DirectPlay3WImpl_SendChatMessage,
  XCAST(SetGroupConnectionSettings)DirectPlay3WImpl_SetGroupConnectionSettings,
  XCAST(StartSession)DirectPlay3WImpl_StartSession,
  XCAST(GetGroupFlags)DirectPlay3WImpl_GetGroupFlags,
  XCAST(GetGroupParent)DirectPlay3WImpl_GetGroupParent,
  XCAST(GetPlayerAccount)DirectPlay3WImpl_GetPlayerAccount,
  XCAST(GetPlayerFlags)DirectPlay3WImpl_GetPlayerFlags,

  DirectPlay4WImpl_GetGroupOwner,
  DirectPlay4WImpl_SetGroupOwner,
  DirectPlay4WImpl_SendEx,
  DirectPlay4WImpl_GetMessageQueue,
  DirectPlay4WImpl_CancelMessage,
  DirectPlay4WImpl_CancelPriority
};
#undef XCAST


/* Note: Hack so we can reuse the old functions without compiler warnings */
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)     (typeof(directPlay4AVT.fn##fun))
#else
# define XCAST(fun)     (void*)
#endif
static ICOM_VTABLE(IDirectPlay4) directPlay4AVT =
{
  ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  DirectPlay4AImpl_QueryInterface,
  XCAST(AddRef)DirectPlay2AImpl_AddRef,
  XCAST(Release)DirectPlay2AImpl_Release,

  XCAST(AddPlayerToGroup)DirectPlay2AImpl_AddPlayerToGroup,
  XCAST(Close)DirectPlay2AImpl_Close,
  XCAST(CreateGroup)DirectPlay2AImpl_CreateGroup,
  XCAST(CreatePlayer)DirectPlay2AImpl_CreatePlayer,
  XCAST(DeletePlayerFromGroup)DirectPlay2AImpl_DeletePlayerFromGroup,
  XCAST(DestroyGroup)DirectPlay2AImpl_DestroyGroup,
  XCAST(DestroyPlayer)DirectPlay2AImpl_DestroyPlayer,
  XCAST(EnumGroupPlayers)DirectPlay2AImpl_EnumGroupPlayers,
  XCAST(EnumGroups)DirectPlay2AImpl_EnumGroups,
  XCAST(EnumPlayers)DirectPlay2AImpl_EnumPlayers,
  XCAST(EnumSessions)DirectPlay2AImpl_EnumSessions,
  XCAST(GetCaps)DirectPlay2AImpl_GetCaps,
  XCAST(GetGroupData)DirectPlay2AImpl_GetGroupData,
  XCAST(GetGroupName)DirectPlay2AImpl_GetGroupName,
  XCAST(GetMessageCount)DirectPlay2AImpl_GetMessageCount,
  XCAST(GetPlayerAddress)DirectPlay2AImpl_GetPlayerAddress,
  XCAST(GetPlayerCaps)DirectPlay2AImpl_GetPlayerCaps,
  XCAST(GetPlayerData)DirectPlay2AImpl_GetPlayerData,
  XCAST(GetPlayerName)DirectPlay2AImpl_GetPlayerName,
  XCAST(GetSessionDesc)DirectPlay2AImpl_GetSessionDesc,
  XCAST(Initialize)DirectPlay2AImpl_Initialize,
  XCAST(Open)DirectPlay2AImpl_Open,
  XCAST(Receive)DirectPlay2AImpl_Receive,
  XCAST(Send)DirectPlay2AImpl_Send,
  XCAST(SetGroupData)DirectPlay2AImpl_SetGroupData,
  XCAST(SetGroupName)DirectPlay2AImpl_SetGroupName,
  XCAST(SetPlayerData)DirectPlay2AImpl_SetPlayerData,
  XCAST(SetPlayerName)DirectPlay2AImpl_SetPlayerName,
  XCAST(SetSessionDesc)DirectPlay2AImpl_SetSessionDesc,

  XCAST(AddGroupToGroup)DirectPlay3AImpl_AddGroupToGroup,
  XCAST(CreateGroupInGroup)DirectPlay3AImpl_CreateGroupInGroup,
  XCAST(DeleteGroupFromGroup)DirectPlay3AImpl_DeleteGroupFromGroup,
  XCAST(EnumConnections)DirectPlay3AImpl_EnumConnections,
  XCAST(EnumGroupsInGroup)DirectPlay3AImpl_EnumGroupsInGroup,
  XCAST(GetGroupConnectionSettings)DirectPlay3AImpl_GetGroupConnectionSettings,
  XCAST(InitializeConnection)DirectPlay3AImpl_InitializeConnection,
  XCAST(SecureOpen)DirectPlay3AImpl_SecureOpen,
  XCAST(SendChatMessage)DirectPlay3AImpl_SendChatMessage,
  XCAST(SetGroupConnectionSettings)DirectPlay3AImpl_SetGroupConnectionSettings,
  XCAST(StartSession)DirectPlay3AImpl_StartSession,
  XCAST(GetGroupFlags)DirectPlay3AImpl_GetGroupFlags,
  XCAST(GetGroupParent)DirectPlay3AImpl_GetGroupParent,
  XCAST(GetPlayerAccount)DirectPlay3AImpl_GetPlayerAccount,
  XCAST(GetPlayerFlags)DirectPlay3AImpl_GetPlayerFlags,

  DirectPlay4AImpl_GetGroupOwner,
  DirectPlay4AImpl_SetGroupOwner,
  DirectPlay4AImpl_SendEx,
  DirectPlay4AImpl_GetMessageQueue,
  DirectPlay4AImpl_CancelMessage,
  DirectPlay4AImpl_CancelPriority
};
#undef XCAST


/***************************************************************************
 *  DirectPlayEnumerateA (DPLAYX.2) 
 *
 *  The pointer to the structure lpContext will be filled with the 
 *  appropriate data for each service offered by the OS. These services are
 *  not necessarily available on this particular machine but are defined
 *  as simple service providers under the "Service Providers" registry key.
 *  This structure is then passed to lpEnumCallback for each of the different 
 *  services. 
 *
 *  This API is useful only for applications written using DirectX3 or
 *  worse. It is superceeded by IDirectPlay3::EnumConnections which also
 *  gives information on the actual connections.
 *
 * defn of a service provider:
 * A dynamic-link library used by DirectPlay to communicate over a network. 
 * The service provider contains all the network-specific code required
 * to send and receive messages. Online services and network operators can
 * supply service providers to use specialized hardware, protocols, communications
 * media, and network resources. 
 *
 * TODO: Allocate string buffer space from the heap (length from reg)
 *       Pass real device driver numbers...
 *       Get the GUID properly...
 */
HRESULT WINAPI DirectPlayEnumerateA( LPDPENUMDPCALLBACKA lpEnumCallback,
                                     LPVOID lpContext )
{

  HKEY hkResult; 
  LPCSTR searchSubKey    = "SOFTWARE\\Microsoft\\DirectPlay\\Service Providers";
  LPSTR guidDataSubKey   = "Guid";
  LPSTR majVerDataSubKey = "dwReserved1";  
  LPSTR minVerDataSubKey = "dwReserved0";  
  DWORD dwIndex, sizeOfSubKeyName=50;
  char subKeyName[51]; 

  TRACE(": lpEnumCallback=%p lpContext=%p\n", lpEnumCallback, lpContext );

  if( !lpEnumCallback || !*lpEnumCallback )
  {
     return DPERR_INVALIDPARAMS;
  }

  /* Need to loop over the service providers in the registry */
  if( RegOpenKeyExA( HKEY_LOCAL_MACHINE, searchSubKey,
                       0, KEY_ENUMERATE_SUB_KEYS, &hkResult ) != ERROR_SUCCESS )
  {
    /* Hmmm. Does this mean that there are no service providers? */ 
    ERR(": no service providers?\n");
    return DP_OK; 
  }

  /* Traverse all the service providers we have available */
  for( dwIndex=0;
       RegEnumKeyA( hkResult, dwIndex, subKeyName, sizeOfSubKeyName ) != ERROR_NO_MORE_ITEMS;
       ++dwIndex )
  {
    HKEY     hkServiceProvider;
    GUID     serviceProviderGUID;
    DWORD    returnTypeGUID, returnTypeReserved, sizeOfReturnBuffer = 50;
    char     returnBuffer[51];
    DWORD    majVersionNum , minVersionNum = 0;
    LPWSTR   lpWGUIDString; 

    TRACE(" this time through: %s\n", subKeyName );

    /* Get a handle for this particular service provider */
    if( RegOpenKeyExA( hkResult, subKeyName, 0, KEY_QUERY_VALUE,
                         &hkServiceProvider ) != ERROR_SUCCESS )
    {
      ERR(": what the heck is going on?\n" );
      continue;
    }

    /* Get the GUID, Device major number and device minor number 
     * from the registry. 
     */
    if( RegQueryValueExA( hkServiceProvider, guidDataSubKey,
                            NULL, &returnTypeGUID, returnBuffer,
                            &sizeOfReturnBuffer ) != ERROR_SUCCESS )
    {
      ERR(": missing GUID registry data members\n" );
      continue; 
    }

    /* FIXME: Check return types to ensure we're interpreting data right */
    lpWGUIDString = HEAP_strdupAtoW( GetProcessHeap(), 0, returnBuffer );
    CLSIDFromString( (LPCOLESTR)lpWGUIDString, &serviceProviderGUID ); 
    HeapFree( GetProcessHeap(), 0, lpWGUIDString );

    sizeOfReturnBuffer = 50;
 
    if( RegQueryValueExA( hkServiceProvider, majVerDataSubKey,
                            NULL, &returnTypeReserved, returnBuffer,
                            &sizeOfReturnBuffer ) != ERROR_SUCCESS )
    {
      ERR(": missing dwReserved1 registry data members\n") ;
      continue; 
    }

    /* FIXME: This couldn't possibly be right...*/
    majVersionNum = GET_DWORD( returnBuffer );


    sizeOfReturnBuffer = 50;

    if( RegQueryValueExA( hkServiceProvider, minVerDataSubKey,
                            NULL, &returnTypeReserved, returnBuffer,
                            &sizeOfReturnBuffer ) != ERROR_SUCCESS )
    {
      ERR(": missing dwReserved0 registry data members\n") ;
      continue;
    }

    minVersionNum = GET_DWORD( returnBuffer );


    /* The enumeration will return FALSE if we are not to continue */
    if( !lpEnumCallback( &serviceProviderGUID , subKeyName,
                         majVersionNum, minVersionNum, lpContext ) )
    {
      WARN("lpEnumCallback returning FALSE\n" );
      break;
    }
  }

  return DP_OK;

}

/***************************************************************************
 *  DirectPlayEnumerateW (DPLAYX.3)
 *
 */
HRESULT WINAPI DirectPlayEnumerateW( LPDPENUMDPCALLBACKW lpEnumCallback, LPVOID lpContext )
{

  FIXME(":stub\n");

  return DPERR_OUTOFMEMORY; 

}

/***************************************************************************
 *  DirectPlayCreate (DPLAYX.1) (DPLAY.1)
 *
 */
HRESULT WINAPI DirectPlayCreate
( LPGUID lpGUID, LPDIRECTPLAY2 *lplpDP, IUnknown *pUnk)
{

  TRACE("lpGUID=%p lplpDP=%p pUnk=%p\n", lpGUID,lplpDP,pUnk);

  if( pUnk != NULL )
  {
    /* Hmmm...wonder what this means! */
    ERR("What does a NULL here mean?\n" ); 
    return DPERR_OUTOFMEMORY;
  }

  if( IsEqualGUID( &IID_IDirectPlay2A, lpGUID ) )
  {
    return directPlay_QueryInterface( lpGUID, lplpDP );
  }
  else if( IsEqualGUID( &IID_IDirectPlay2, lpGUID ) )
  {
    return directPlay_QueryInterface( lpGUID, lplpDP );
  }

  /* Unknown interface type */
  return DPERR_NOINTERFACE;
}