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curs_deleteln(3X)                                                                          curs_deleteln(3X)



NAME
       deleteln,  wdeleteln,  insdelln, winsdelln, insertln, winsertln - delete and insert lines in a curses
       window

SYNOPSIS
       #include <curses.h>

       int deleteln(void);
       int wdeleteln(WINDOW *win);
       int insdelln(int n);
       int winsdelln(WINDOW *win, int n);
       int insertln(void);
       int winsertln(WINDOW *win);

DESCRIPTION
       The deleteln and wdeleteln routines delete the line under the cursor in the window; all  lines  below
       the  current line are moved up one line.  The bottom line of the window is cleared.  The cursor posi-tion position
       tion does not change.

       The insdelln and winsdelln routines, for positive n, insert n lines into the specified  window  above
       the  current  line.   The n bottom lines are lost.  For negative n, delete n lines (starting with the
       one under the cursor), and move the remaining lines up.  The bottom n lines are cleared.  The current
       cursor position remains the same.

       The insertln and winsertln routines insert a blank line above the current line and the bottom line is
       lost.

RETURN VALUE
       All routines return the integer ERR upon failure and an OK (SVr4 specifies  only  "an  integer  value
       other than ERR") upon successful completion.

       X/Open  defines  no  error  conditions.   In this implementation, if the window parameter is null, an
       error is returned.

PORTABILITY
       These functions are described in the XSI Curses standard, Issue 4.  The standard specifies that  they
       return ERR on failure, but specifies no error conditions.

NOTES
       Note that all but winsdelln may be macros.

       These  routines  do  not  require a hardware line delete or insert feature in the terminal.  In fact,
       they will not use hardware line delete/insert unless idlok(..., TRUE) has been  set  on  the  current
       window.

SEE ALSO
       curses(3X)



                                                                                           curs_deleteln(3X)