insdelln(3curses)

insdelln -- delete or insert lines into a window

Synopsis

cc [options] file -lcurses

#include <curses.h>

int insdelln(int n);

int winsdelln(WINDOW *win, int n);

The insdelln(3curses) and winsdelln(3curses) functions perform the following actions:

If n is positive, these functions insert n lines into the current or specified window before the current line. The n last lines are no longer displayed.
If n is negative, these functions delete n lines from the current or specified window starting with the current line, and move the remaining lines toward the cursor. The last n lines are cleared.

The current cursor position remains the same.

Upon successful completion, these functions return OK. Otherwise, they return ERR.

No errors are defined.

The Single UNIX Specification, Version 2; The Open Group.