extern void mkDialog(const char *txt);
extern void guiErrorMessage(const char *txt);
extern void guiErrorMessage(const char *txt, const sg_throwable &throwable);
-extern void ConfirmExitDialog(void);
extern void fgDumpSnapShot();
#if defined( WIN32 ) && !defined( __CYGWIN__) && !defined(__MINGW32__)
extern void printScreen(puObject *);
#endif
-extern void MayBeGoodBye(puObject *);
extern void guiTogglePanel(puObject *);
extern void PilotOffsetAdjust(puObject *);
extern void fgHUDalphaAdjust(puObject *);