#ifdef _NO_PROTO
extern void writeTitle();
extern void drawPreViewport();
extern void drawTheViewport();
extern int keepDrawingViewport();
extern viewPoints * makeViewport();
extern void postMakeViewport();
#else
extern void writeTitle(void);
extern void drawPreViewport(int );
extern void drawTheViewport(int );
extern int keepDrawingViewport(void);
extern viewPoints * makeViewport(void);
extern void postMakeViewport(void);
#endif