diff --git a/include/dplobby.h b/include/dplobby.h
new file mode 100644
index 0000000..4f1bfe0
--- /dev/null
+++ b/include/dplobby.h
@@ -0,0 +1,154 @@
+#ifndef __WINE_DPLOBBY_H
+#define __WINE_DPLOBBY_H
+
+#include "dplay.h"
+
+
+#pragma pack(1)
+
+/*****************************************************************************
+ * Predeclare the interfaces
+ */
+DEFINE_GUID(CLSID_DirectPlayLobby, 0x2fe8f810, 0xb2a5, 0x11d0, 0xa7, 0x87, 0x0, 0x0, 0xf8, 0x3, 0xab, 0xfc);
+
+DEFINE_GUID(IID_IDirectPlayLobby, 0xaf465c71, 0x9588, 0x11cf, 0xa0, 0x20, 0x0, 0xaa, 0x0, 0x61, 0x57, 0xac);
+typedef struct IDirectPlayLobby IDirectPlayLobby,*LPDIRECTPLAYLOBBY;
+
+DEFINE_GUID(IID_IDirectPlayLobbyA, 0x26c66a70, 0xb367, 0x11cf, 0xa0, 0x24, 0x0, 0xaa, 0x0, 0x61, 0x57, 0xac);
+typedef struct IDirectPlayLobby IDirectPlayLobbyA,*LPDIRECTPLAYLOBBYA;
+
+DEFINE_GUID(IID_IDirectPlayLobby2, 0x194c220, 0xa303, 0x11d0, 0x9c, 0x4f, 0x0, 0xa0, 0xc9, 0x5, 0x42, 0x5e);
+typedef struct IDirectPlayLobby2 IDirectPlayLobby2, *LPDIRECTPLAYLOBBY2;
+
+DEFINE_GUID(IID_IDirectPlayLobby2A, 0x1bb4af80, 0xa303, 0x11d0, 0x9c, 0x4f, 0x0, 0xa0, 0xc9, 0x5, 0x42, 0x5e);
+typedef struct IDirectPlayLobby2 IDirectPlayLobby2A, *LPDIRECTPLAYLOBBY2A;
+
+
+/*****************************************************************************
+ * Miscellaneous
+ */
+
+typedef struct tagDPLAPPINFO
+{
+    DWORD       dwSize;            
+    GUID        guidApplication;   
+
+    union appName
+    {
+        LPSTR   lpszAppNameA;      
+        LPWSTR  lpszAppName;
+    };
+
+} DPLAPPINFO, *LPDPLAPPINFO;
+typedef const DPLAPPINFO *LPCDPLAPPINFO;
+
+typedef struct DPCOMPOUNDADDRESSELEMENT
+{
+    GUID    guidDataType;
+    DWORD   dwDataSize;
+    LPVOID  lpData;
+} DPCOMPOUNDADDRESSELEMENT, *LPDPCOMPOUNDADDRESSELEMENT;
+typedef const DPCOMPOUNDADDRESSELEMENT *LPCDPCOMPOUNDADDRESSELEMENT;
+
+
+extern HRESULT WINAPI DirectPlayLobbyCreateW(LPGUID, LPDIRECTPLAYLOBBY *, IUnknown *, LPVOID, DWORD );
+extern HRESULT WINAPI DirectPlayLobbyCreateA(LPGUID, LPDIRECTPLAYLOBBYA *, IUnknown *, LPVOID, DWORD );
+
+
+
+typedef BOOL (CALLBACK* LPDPENUMADDRESSCALLBACK)(
+    REFGUID         guidDataType,
+    DWORD           dwDataSize,
+    LPCVOID         lpData,
+    LPVOID          lpContext );
+
+typedef BOOL (CALLBACK* LPDPLENUMADDRESSTYPESCALLBACK)(
+    REFGUID         guidDataType,
+    LPVOID          lpContext,
+    DWORD           dwFlags );
+
+typedef BOOL (CALLBACK* LPDPLENUMLOCALAPPLICATIONSCALLBACK)(
+    LPCDPLAPPINFO   lpAppInfo,
+    LPVOID          lpContext,
+    DWORD           dwFlags );
+
+
+/*****************************************************************************
+ * IDirectPlayLobby interface
+ */
+#define ICOM_INTERFACE IDirectPlayLobby
+#define IDirectPlayLobby_METHODS \
+    ICOM_METHOD3(HRESULT,Connect,               DWORD,, LPDIRECTPLAY2*,, IUnknown*,) \
+    ICOM_METHOD6(HRESULT,CreateAddress,         REFGUID,, REFGUID,, LPCVOID,, DWORD,, LPVOID,, LPDWORD,) \
+    ICOM_METHOD4(HRESULT,EnumAddress,           LPDPENUMADDRESSCALLBACK,, LPCVOID,, DWORD,, LPVOID,) \
+    ICOM_METHOD4(HRESULT,EnumAddressTypes,      LPDPLENUMADDRESSTYPESCALLBACK,, REFGUID,, LPVOID,, DWORD,) \
+    ICOM_METHOD3(HRESULT,EnumLocalApplications, LPDPLENUMLOCALAPPLICATIONSCALLBACK,, LPVOID,, DWORD,) \
+    ICOM_METHOD3(HRESULT,GetConnectionSettings, DWORD,, LPVOID,, LPDWORD,) \
+    ICOM_METHOD5(HRESULT,ReceiveLobbyMessage,   DWORD,, DWORD,, LPDWORD,, LPVOID,, LPDWORD,) \
+    ICOM_METHOD4(HRESULT,RunApplication,        DWORD,, LPDWORD,, LPDPLCONNECTION,, HANDLE,) \
+    ICOM_METHOD4(HRESULT,SendLobbyMessage,      DWORD,, DWORD,, LPVOID,, DWORD,) \
+    ICOM_METHOD3(HRESULT,SetConnectionSettings, DWORD,, DWORD,, LPDPLCONNECTION,) \
+    ICOM_METHOD3(HRESULT,SetLobbyMessageEvent,  DWORD,, DWORD,, HANDLE,)
+#define IDirectPlayLobby_IMETHODS \
+    IUnknown_IMETHODS \
+    IDirectPlayLobby_METHODS
+ICOM_DEFINE(IDirectPlayLobby,IUnknown)
+#undef ICOM_INTERFACE
+
+#ifdef ICOM_CINTERFACE
+/*** IUnknown methods ***/
+#define IDirectPlayLobby_QueryInterface(p,a,b) ICOM_CALL2(QueryInterface,p,a,b)
+#define IDirectPlayLobby_AddRef(p)             ICOM_CALL (AddRef,p)
+#define IDirectPlayLobby_Release(p)            ICOM_CALL (Release,p)
+/*** IDirectPlayLobby methods ***/
+#define IDirectPlayLobby_Connect(p,a,b,c)                 ICOM_CALL3(Connect,p,a,b,c)
+#define IDirectPlayLobby_CreateAddress(p,a,b,c,d,e,f)     ICOM_CALL6(CreateAddress,p,a,b,c,d,e,f)
+#define IDirectPlayLobby_EnumAddress(p,a,b,c,d)           ICOM_CALL4(EnumAddress,p,a,b,c,d)
+#define IDirectPlayLobby_EnumAddressTypes(p,a,b,c,d)      ICOM_CALL4(EnumAddressTypes,p,a,b,c,d)
+#define IDirectPlayLobby_EnumLocalApplications(p,a,b,c)   ICOM_CALL3(EnumLocalApplications,p,a,b,c)
+#define IDirectPlayLobby_GetConnectionSettings(p,a,b,c)   ICOM_CALL3(GetConnectionSettings,p,a,b,c)
+#define IDirectPlayLobby_ReceiveLobbyMessage(p,a,b,c,d,e) ICOM_CALL5(ReceiveLobbyMessage,p,a,b,c,d,e)
+#define IDirectPlayLobby_RunApplication(p,a,b,c,d)        ICOM_CALL4(RunApplication,p,a,b,c,d)
+#define IDirectPlayLobby_SendLobbyMessage(p,a,b,c,d)      ICOM_CALL4(SendLobbyMessage,p,a,b,c,d)
+#define IDirectPlayLobby_SetConnectionSettings(p,a,b,c)   ICOM_CALL3(SetConnectionSettings,p,a,b,c)
+#define IDirectPlayLobby_SetLobbyMessageEvent(p,a,b,c)    ICOM_CALL3(SetLobbyMessageEvent,p,a,b,c)
+#endif
+
+
+/*****************************************************************************
+ * IDirectPlayLobby2 interface
+ */
+#define ICOM_INTERFACE IDirectPlayLobby2
+#define IDirectPlayLobby2_METHODS \
+    ICOM_METHOD4(HRESULT,CreateCompoundAddress, LPCDPCOMPOUNDADDRESSELEMENT,, DWORD,, LPVOID,, LPDWORD,)
+#define IDirectPlayLobby2_IMETHODS \
+    IDirectPlayLobby_IMETHODS \
+    IDirectPlayLobby2_METHODS
+ICOM_DEFINE(IDirectPlayLobby2,IDirectPlayLobby)
+#undef ICOM_INTERFACE
+
+#ifdef ICOM_CINTERFACE
+/*** IUnknown methods ***/
+#define IDirectPlayLobby2_QueryInterface(p,a,b) ICOM_CALL2(QueryInterface,p,a,b)
+#define IDirectPlayLobby2_AddRef(p)             ICOM_CALL (AddRef,p)
+#define IDirectPlayLobby2_Release(p)            ICOM_CALL (Release,p)
+/*** IDirectPlayLobby methods ***/
+#define IDirectPlayLobby2_Connect(p,a,b,c)                 ICOM_CALL3(Connect,p,a,b,c)
+#define IDirectPlayLobby2_CreateAddress(p,a,b,c,d,e,f)     ICOM_CALL6(CreateAddress,p,a,b,c,d,e,f)
+#define IDirectPlayLobby2_EnumAddress(p,a,b,c,d)           ICOM_CALL4(EnumAddress,p,a,b,c,d)
+#define IDirectPlayLobby2_EnumAddressTypes(p,a,b,c,d)      ICOM_CALL4(EnumAddressTypes,p,a,b,c,d)
+#define IDirectPlayLobby2_EnumLocalApplications(p,a,b,c)   ICOM_CALL3(EnumLocalApplications,p,a,b,c)
+#define IDirectPlayLobby2_GetConnectionSettings(p,a,b,c)   ICOM_CALL3(GetConnectionSettings,p,a,b,c)
+#define IDirectPlayLobby2_ReceiveLobbyMessage(p,a,b,c,d,e) ICOM_CALL5(ReceiveLobbyMessage,p,a,b,c,d,e)
+#define IDirectPlayLobby2_RunApplication(p,a,b,c,d)        ICOM_CALL4(RunApplication,p,a,b,c,d)
+#define IDirectPlayLobby2_SendLobbyMessage(p,a,b,c,d)      ICOM_CALL4(SendLobbyMessage,p,a,b,c,d)
+#define IDirectPlayLobby2_SetConnectionSettings(p,a,b,c)   ICOM_CALL3(SetConnectionSettings,p,a,b,c)
+#define IDirectPlayLobby2_SetLobbyMessageEvent(p,a,b,c)    ICOM_CALL3(SetLobbyMessageEvent,p,a,b,c)
+/*** IDirectPlayLobby2 methods ***/
+#define IDirectPlayLobby2_CreateCompoundAddress(p,a,b,c,d) ICOM_CALL4(CreateCompoundAddress,p,a,b,c,d)
+#endif
+
+#pragma pack(4)
+
+
+#endif /* __WINE_DPLOBBY_H */