extern  int main(void );
extern  short VISION_logo(void );
extern  short Ordering(void );
extern  short Requirements(void );
extern  short Revision_Notes(void );
extern  short Mouse_Doc(void );
extern  short Comp_Doc(void );
extern  short Share_Policy(void );
extern  short Display_List(void );
extern  short View_List_Manual(void );
extern  short Display_Window(void );
extern  short View_Window_Manual(void );
extern  short Display_Menu(void );
extern  short View_Menu_Manual(void );
extern  short Display_Form(void );
extern  short View_Form_Manual(void );
extern  short Run_List(void );
extern  short CopyString(unsigned char *instr,unsigned char *outstr);
extern  short CompareString(unsigned char *instr,unsigned char *outstr);
extern  short ReleaseString(unsigned char *delstr);
extern  short List_Intro(void );
extern  short Command_Wind(unsigned char * *command_window,short cmd);
extern  short Display_Wind(unsigned char * *list_window,short cmd,unsigned char *demo_list,unsigned char *list_cursor);
extern  short Length_Wind(unsigned char * *length_window,short cmd,unsigned char *demo_list);
extern  short Response_Wind(unsigned char * *response_window,short cmd,unsigned char *msg);
extern  short EnterListItem(unsigned char * *item_pointer);
extern  short List_GetItemNumber(short *list_num);
extern  short Run_Window(void );
extern  short Back_Window(void );
extern  void show_time(void );
extern  short prinstall(void );
extern  short prremove(void );
extern  short Demo_43(void );
extern  short Demo_50(void );
extern  short Colors_Window(void );
extern  short Borders_Window(void );
extern  short Exploding_Window(void );
extern  short Multiple_Window(void );
extern  short Interactive_Windows(void );
extern  short Interactive_Info(void );
extern  short MakeColorMenu(unsigned char * *col_menu,unsigned char *title);
extern  short MakeCoordForm(unsigned char * *coord_form,unsigned char *title,unsigned char *s_row,unsigned char *s_col,unsigned char *s_heighth,unsigned char *s_width);
extern  short Window_Intro(void );
extern  long ColorConvert(short color);
extern  short Run_Menu(void );
extern  short Menu_Hot(void );
extern  short Menu_Auto(void );
extern  short Menu_File(void );
extern  short Menu_Intro(void );
extern  short Hot_1(void );
extern  short Hot_2(void );
extern  short Hot_3(void );
extern  short Run_Form(void );
extern  char IntOnly(unsigned char *string);
extern  char MFOnly(unsigned char *string);