extern CHAR szClass[];
extern int cyText;
extern int cxText;
extern BOOL fClient;
extern BOOL fServer;
extern HINSTANCE hInst;
extern HCONV pServerhConvs[MAX_SERVER_HCONVS];
extern HWND hwndMain;
extern CHAR szExecDie[];
extern CHAR szExecDisconnect[];
extern CHAR szExecRefresh[];
extern INT iAvailFormats[];

DDEFORMATTBL TestItemFormats[];
DDEITEMTBL Items[];
DDETOPICTBL Topics[];
DDESERVICETBL ServiceInfoTable[];