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29 * @Id: curs_deleteln.3x,v 1.13 2010/12/04 18:36:44 tom Exp @
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41 <H1 class="no-header">curs_deleteln 3x</H1>
43 <STRONG><A HREF="curs_deleteln.3x.html">curs_deleteln(3x)</A></STRONG> <STRONG><A HREF="curs_deleteln.3x.html">curs_deleteln(3x)</A></STRONG>
48 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
49 <STRONG>deleteln</STRONG>, <STRONG>wdeleteln</STRONG>, <STRONG>insdelln</STRONG>, <STRONG>winsdelln</STRONG>, <STRONG>insertln</STRONG>, <STRONG>winsertln</STRONG> - delete
50 and insert lines in a <STRONG>curses</STRONG> window
53 </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
54 <STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
56 <STRONG>int</STRONG> <STRONG>deleteln(void);</STRONG>
57 <STRONG>int</STRONG> <STRONG>wdeleteln(WINDOW</STRONG> <STRONG>*win);</STRONG>
58 <STRONG>int</STRONG> <STRONG>insdelln(int</STRONG> <STRONG>n);</STRONG>
59 <STRONG>int</STRONG> <STRONG>winsdelln(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>int</STRONG> <STRONG>n);</STRONG>
60 <STRONG>int</STRONG> <STRONG>insertln(void);</STRONG>
61 <STRONG>int</STRONG> <STRONG>winsertln(WINDOW</STRONG> <STRONG>*win);</STRONG>
64 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
65 The <STRONG>deleteln</STRONG> and <STRONG>wdeleteln</STRONG> routines delete the line under the cursor in
66 the window; all lines below the current line are moved up one line.
67 The bottom line of the window is cleared. The cursor position does not
70 The <STRONG>insdelln</STRONG> and <STRONG>winsdelln</STRONG> routines, for positive <EM>n</EM>, insert <EM>n</EM> lines
71 into the specified window above the current line. The <EM>n</EM> bottom lines
72 are lost. For negative <EM>n</EM>, delete <EM>n</EM> lines (starting with the one under
73 the cursor), and move the remaining lines up. The bottom <EM>n</EM> lines are
74 cleared. The current cursor position remains the same.
76 The <STRONG>insertln</STRONG> and <STRONG>winsertln</STRONG> routines insert a blank line above the cur-
77 rent line and the bottom line is lost.
80 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
81 All routines return the integer <STRONG>ERR</STRONG> upon failure and an <STRONG>OK</STRONG> (SVr4 speci-
82 fies only "an integer value other than <STRONG>ERR</STRONG>") upon successful comple-
85 X/Open defines no error conditions. In this implementation, if the
86 window parameter is null, an error is returned.
89 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
90 These functions are described in the XSI Curses standard, Issue 4. The
91 standard specifies that they return <STRONG>ERR</STRONG> on failure, but specifies no
95 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
96 Note that all but <STRONG>winsdelln</STRONG> may be macros.
98 These routines do not require a hardware line delete or insert feature
99 in the terminal. In fact, they will not use hardware line
100 delete/insert unless <STRONG>idlok(...,</STRONG> <STRONG>TRUE)</STRONG> has been set on the current win-
104 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
105 <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>
109 <STRONG><A HREF="curs_deleteln.3x.html">curs_deleteln(3x)</A></STRONG>
113 <li><a href="#h2-NAME">NAME</a></li>
114 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
115 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
116 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
117 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
118 <li><a href="#h2-NOTES">NOTES</a></li>
119 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>