CURSES_INSDEL(3)        NetBSD Library Functions Manual       CURSES_INSDEL(3)

NAME
     curses_insdelln, insdelln, winsdelln -- curses insert or delete lines
     routines

LIBRARY
     Curses Library (libcurses, -lcurses)

SYNOPSIS
     #include <curses.h>

     int
     insdelln(int n);

     int
     winsdelln(WINDOW *win, int n);

DESCRIPTION
     These functions insert or delete lines on stdscr or on the specified win-
     dow.

     If insdelln() is called with a positive number in n, then the specified
     number of lines are inserted before the current line on stdscr.  The last
     n lines of the screen are no longer displayed.  If n is negative, then n
     lines are deleted from stdscr, starting at the current line.  The last n
     lines of stdscr are cleared.

     The winsdelln() function is the same as the insdelln() function, except-
     ing that lines are inserted or deleted from 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 lines from the current line to the bottom of the scrolling
     region are affected.

RETURN VALUES
     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.

SEE ALSO
     curses_deleteln(3), curses_insertln(3), curses_scroll(3)

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

HISTORY
     The Curses package appeared in 4.0BSD.

NetBSD 5.1                      August 12, 2002                     NetBSD 5.1

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