curs_scr_dump man page on DigitalUNIX

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curs_scr_dump(3X)					     curs_scr_dump(3X)

       scr_dump, scr_restore, scr_init, scr_set - read (write) a curses screen
       from (to) a file

       #include <ncurses.h>

       int scr_dump(const char *filename);
       int scr_restore(const char *filename);
       int scr_init(const char *filename);
       int scr_set(const char *filename);

       The scr_dump routine dumps the current contents of the  virtual	screen
       to the file filename.

       The  scr_restore	 routine  sets	the  virtual screen to the contents of
       filename, which must have been written using scr_dump.  The  next  call
       to doupdate restores the screen to the way it looked in the dump file.

       The scr_init routine reads in the contents of filename and uses them to
       initialize the curses data structures about what the terminal currently
       has on its screen.  If the data is determined to be valid, curses bases
       its next update of the screen on this information rather than  clearing
       the  screen  and starting from scratch.	scr_init is used after initscr
       or a system [see system(BA_LIB)] call to share the screen with  another
       process	which  has done a scr_dump after its endwin call.  The data is
       declared invalid if the terminfo capabilities rmcup  and	 nrrmc	exist;
       also  if	 the terminal has been written to since the preceding scr_dump

       The scr_set routine is a combination of scr_restore and	scr_init.   It
       tells the program that the information in filename is what is currently
       on the screen, and also what the program wants on the screen.  This can
       be thought of as a screen inheritance function.

       To  read	 (write)  a window from (to) a file, use the getwin and putwin
       routines [see curs_util(3X)].

       All routines return the integer ERR upon failure and OK upon success.

       Note that scr_init, scr_set, and scr_restore may be macros.

       The XSI Curses standard, Issue 4, describes these functions (adding the
       const qualifiers).

       The SVr4 docs merely say under scr_init that the dump data is also con‐
       sidered invalid "if the time-stamp of the tty is old" but don't	define

       curses(3X),  curs_initscr(3X),  curs_refresh(3X),  curs_util(3X),  sys‐


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