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|man pages section 3: Curses Library Functions Oracle Solaris 10 8/11 Information Library|
- insert/delete lines to/from the window
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib \ -R /usr/xpg4/lib -lcurses [ library... ] c89 [ flag... ] file... -lcurses [ library... ] #include <curses.h> int insdelln(int n);
int winsdelln(WINDOW *win, int n);
Is the number of lines to insert or delete (positive n inserts; negative n deletes).
Is a pointer to the window in which to insert or delete a line.
The insdelln() and winsdelln() functions insert or delete blank lines in stdscr or win, respectively. When n is positive, n lines are added before the current line and the bottom n lines are lost; when n is negative, n lines are deleted starting with the current line, the remaining lines are moved up, and the bottom n lines are cleared. The position of the cursor does not change.
On success, these functions return OK. Otherwise, they return ERR.
See attributes(5) for descriptions of the following attributes: