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NetBSD 6.1.5 - man page for setscrreg (netbsd section 3)

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CURSES_SCROLL(3)		   BSD Library Functions Manual 		 CURSES_SCROLL(3)

     curses_scroll, scrl, wscrl scroll, scrollok, setscrreg, wsetscrreg -- curses window
     scrolling routines

     Curses Library (libcurses, -lcurses)

     #include <curses.h>

     scrl(int n);

     wscrl(WINDOW *win, int n);

     scroll(WINDOW *win);

     scrollok(WINDOW *win, boolf flag);

     setscrreg(int top, int bottom);

     wsetscrreg(WINDOW *win, int top, int bottom);

     These functions scroll areas on stdscr or on the specified window.

     The scrl() function scrolls stdscr by n lines.  If n is positive then then stdscr is
     scrolled up.  n lines are lost from the top of stdscr and n blank lines are inserted at the
     bottom.  If n is negative then stdscr is scrolled down.  n blank lines are inserted at the
     top of stdscr and n lines are lost from the bottom.

     The wscrl() function is the same as the scrl() function, excepting that it scrolls the win-
     dow specified by win.

     The scroll() function scrolls the window win up by one line.

     The scrolling behaviour of a window can be controlled by using the scrollok() function.  If
     the flag argument is TRUE then a line wrap at the bottom of the window will cause the window
     to be scrolled up one line, if flag is FALSE then lines that would force a scroll will be

     The setscrreg() function sets up a software scrolling region on stdscr which will define a
     region of the screen that will be scrolled.  The scrolling of this region is also controlled
     by the scrollok() function.

     The wsetscrreg() function does the same as the setscrreg() function, except that the
     scrolling region is set on the window specified by win.

     If a scrolling region has been set with the setscrreg() or wsetscrreg() functions and the
     current cursor position is inside the scrolling region, then only the area inside the
     scrolling region is scrolled.

     Functions returning pointers will return NULL if an error is detected.  The functions that
     return an int will return one of the following values:

     OK   The function completed successfully.
     ERR  An error occurred in the function.

     curses_deleteln(3), curses_insdelln(3), curses_insertln(3)

     The NetBSD Curses library complies with the X/Open Curses specification, part of the Single
     Unix Specification.

     The Curses package appeared in 4.0BSD.

BSD					 August 12, 2002				      BSD
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