NAME
curses_insdelln
,
insdelln
, winsdelln
—
curses insert or delete lines
routines
LIBRARY
library “libcurses”
SYNOPSIS
#include
<curses.h>
int
insdelln
(int
n);
int
winsdelln
(WINDOW
*win, int n);
DESCRIPTION
These functions insert or delete lines onstdscr
or on
the specified window.
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,
excepting 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
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.