insdelln(3xcurses)

1insdelln(3XCURSES)      X/Open Curses Library Functions     insdelln(3XCURSES)
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NAME

6       insdelln, winsdelln - insert/delete lines to/from the window
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SYNOPSIS

9       cc [ flag... ] file... -I /usr/xpg4/include  -L  /usr/xpg4/lib \
10        -R  /usr/xpg4/lib  -lcurses  [ library... ]
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12       c89 [ flag... ] file... -lcurses [ library... ]
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14       #include <curses.h>
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16       int insdelln(int n);
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19       int winsdelln(WINDOW *win, int n);
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PARAMETERS

23       n      Is  the number of lines to insert or delete (positive n inserts;
24              negative n deletes).
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27       win    Is a pointer to the window in which to insert or delete a line.
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DESCRIPTION

31       The insdelln() and winsdelln() functions insert or delete blank   lines
32       in  stdscr or win, respectively.  When n is positive, n lines are added
33       before the current line  and the bottom n lines are  lost;  when  n  is
34       negative,  n  lines   are  deleted  starting with the current line, the
35       remaining lines are moved up,  and the bottom n lines are cleared.  The
36       position of the cursor does not change.
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RETURN VALUES

39       On success, these functions return OK. Otherwise, they return ERR.
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ERRORS

42       None.
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ATTRIBUTES

45       See attributes(5) for descriptions of the following attributes:
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50       ┌─────────────────────────────┬─────────────────────────────┐
51       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
52       ├─────────────────────────────┼─────────────────────────────┤
53       │Interface Stability          │Standard                     │
54       ├─────────────────────────────┼─────────────────────────────┤
55       │MT-Level                     │Unsafe                       │
56       └─────────────────────────────┴─────────────────────────────┘
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