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<PRE>
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</PRE>
<H2>NAME</H2><PRE>
<B>deleteln</B>, <B>wdeleteln</B>, <B>insdelln</B>, <B>winsdelln</B>, <B>insertln</B>, <B>win-</B>
<B>sertln</B> - delete and insert lines in a <B>curses</B> window
</PRE>
<H2>SYNOPSIS</H2><PRE>
<B>#include</B> <B><curses.h></B>
<B>int</B> <B>deleteln(void);</B>
<B>int</B> <B>wdeleteln(WINDOW</B> <B>*win);</B>
<B>int</B> <B>insdelln(int</B> <B>n);</B>
<B>int</B> <B>winsdelln(WINDOW</B> <B>*win,</B> <B>int</B> <B>n);</B>
<B>int</B> <B>insertln(void);</B>
<B>int</B> <B>winsertln(WINDOW</B> <B>*win);</B>
</PRE>
<H2>DESCRIPTION</H2><PRE>
The <B>deleteln</B> and <B>wdeleteln</B> 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 position does not change.
The <B>insdelln</B> and <B>winsdelln</B> routines, for positive <I>n</I>,
insert <I>n</I> lines into the specified window above the current
line. The <I>n</I> bottom lines are lost. For negative <I>n</I>,
delete <I>n</I> lines (starting with the one under the cursor),
and move the remaining lines up. The bottom <I>n</I> lines are
cleared. The current cursor position remains the same.
The <B>insertln</B> and <B>insertln</B> routines, insert a blank line
above the current line and the bottom line is lost.
</PRE>
<H2>RETURN VALUE</H2><PRE>
All routines return the integer <B>ERR</B> upon failure and an <B>OK</B>
(SVr4 specifies only "an integer value other than <B>ERR</B>")
upon successful completion.
</PRE>
<H2>PORTABILITY</H2><PRE>
These functions are described in the XSI Curses standard,
Issue 4. The standard specifies that they return <B>ERR</B> on
failure, but specifies no error conditions.
</PRE>
<H2>NOTES</H2><PRE>
Note that all but <B>winsdelln</B> may be macros.
These routines do not require a hardware line delete or
insert feature in the terminal. In fact, they won't use
hardware line delete/insert unless <B>idlok(...,</B> <B>TRUE)</B> has
been set on the current window.
</PRE>
<H2>SEE ALSO</H2><PRE>
<B><A HREF="ncurses.3x.html">curses(3x)</A></B>
</PRE>
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