curs_scroll(3X)						       curs_scroll(3X)

NAME    [Toc]    [Back]

     curs_scroll:  scroll, srcl, wscrl - scroll	a curses window

SYNOPSIS    [Toc]    [Back]

     #include <curses.h>

     int scroll(WINDOW *win);

     int scrl(int n);
     int wscrl(WINDOW *win, int	n);

DESCRIPTION    [Toc]    [Back]

     With the scroll routine, the window is scrolled up	one line.  This
     involves moving the lines in the window data structure.  As an
     optimization, if the scrolling region of the window is the	entire screen,
     the physical screen is scrolled at	the same time.

     With the scrl and wscrl routines, for positive n scroll the window	up n
     lines (line i+n becomes i); otherwise scroll the window down n lines.
     This involves moving the lines in the window character image structure.
     The current cursor	position is not	changed.

     For these functions to work, scrolling must be enabled via	scrollok.

RETURN VALUE    [Toc]    [Back]

     All routines return the integer ERR upon failure and an integer value
     other than	ERR upon successful completion.

NOTES    [Toc]    [Back]

     The header	file <curses.h>	automatically includes the header files
     <stdio.h> and <unctrl.h>.

     Note that scrl and	scroll may be macros.

SEE ALSO    [Toc]    [Back]

     curses(3X), curs_outopts(3X)


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