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The cursor position does not 71 change. 72 73 The <STRONG>insdelln</STRONG> and <STRONG>winsdelln</STRONG> routines, for positive <EM>n</EM>, insert <EM>n</EM> lines 74 into the specified window above the current line. The <EM>n</EM> bottom lines 75 are lost. For negative <EM>n</EM>, delete <EM>n</EM> lines (starting with the one under 76 the cursor), and move the remaining lines up. The bottom <EM>n</EM> lines are 77 cleared. The current cursor position remains the same. 78 79 The <STRONG>insertln</STRONG> and <STRONG>winsertln</STRONG> routines insert a blank line above the 80 current line and the bottom line is lost. 81 82 83</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE> 84 These routines return the integer <STRONG>ERR</STRONG> upon failure and an <STRONG>OK</STRONG> (SVr4 85 specifies only "an integer value other than <STRONG>ERR</STRONG>") upon successful 86 completion. 87 88 X/Open defines no error conditions. In this implementation, if the 89 window parameter is null, an error is returned. 90 91 92</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE> 93 Note that all but <STRONG>winsdelln</STRONG> may be macros. 94 95 These routines do not require a hardware line delete or insert feature 96 in the terminal. In fact, they will not use hardware line 97 delete/insert unless <STRONG>idlok(...,</STRONG> <STRONG>TRUE)</STRONG> has been set on the current 98 window. 99 100 101</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE> 102 These functions are described in X/Open Curses, Issue 4. The standard 103 specifies that they return <STRONG>ERR</STRONG> on failure, but specifies no error 104 conditions. 105 106 107</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE> 108 <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG> 109 110 111 112ncurses 6.5 2024-04-20 <STRONG><A HREF="curs_deleteln.3x.html">curs_deleteln(3x)</A></STRONG> 113</PRE> 114<div class="nav"> 115<ul> 116<li><a href="#h2-NAME">NAME</a></li> 117<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li> 118<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li> 119<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li> 120<li><a href="#h2-NOTES">NOTES</a></li> 121<li><a href="#h2-PORTABILITY">PORTABILITY</a></li> 122<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li> 123</ul> 124</div> 125</BODY> 126</HTML> 127