touchwin man page on SmartOS

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       curs_touch,  touchwin, touchline, untouchwin, wtouchln, is_linetouched,
       is_wintouched - curses refresh control routines

       cc [ flag ... ] file ... -lcurses [ library ... ]
       #include <curses.h>

       int touchwin(WINDOW *win);

       int touchline(WINDOW *win, int start, int count);

       int untouchwin(WINDOW *win);

       int wtouchln(WINDOW *win, int y, int n, int changed);

       int is_linetouched(WINDOW *win, int line);

       int is_wintouched(WINDOW *win);

       The touchwin() and touchline() routines	throw  away  all  optimization
       information  about which parts of the window have been touched, by pre‐
       tending that the entire window has been drawn  on.  This	 is  sometimes
       necessary  when using overlapping windows, since a change to one window
       affects the other window, but the records  of  which  lines  have  been
       changed	in  the	 other	window	do not reflect the change. The routine
       touchline() only pretends that count lines have been changed, beginning
       with line start.

       The  untouchwin()  routine  marks  all lines in the window as unchanged
       since the last call to wrefresh().

	   The wtouchln() routine makes n lines in  the	 window,  starting  at
       line  y,	 look as if they have (changed=1) or have not (changed=0) been
       changed since the last call to wrefresh().

       The is_linetouched() and is_wintouched() routines return	 TRUE  if  the
       specified  line/window  was modified since the last call to wrefresh();
       otherwise they return FALSE. In addition, is_linetouched() returns  ERR
       if line is not valid for the given window.

       All  routines  return the integer ERR upon failure and an integer value
       other than ERR upon successful completion, unless  otherwise  noted  in
       the preceding routine descriptions.

       See attributes(5) for descriptions of the following attributes:

       │MT-Level       │ Unsafe		 │

       curs_refresh(3CURSES), curses(3CURSES), attributes(5)

       The header <curses.h> automatically includes the headers	 <stdio.h> and

       Note that all routines except wtouchln() may be macros.

				 Dec 31, 1996		   CURS_TOUCH(3CURSES)

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