- 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 position 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
+
+ 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 position 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.
+ The insertln and winsertln routines insert a blank line above the cur-
+ rent 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.
+
+ All routines return the integer ERR upon failure and an OK (SVr4 speci-
+ fies only "an integer value other than ERR") upon successful comple-
+ tion.
+ 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.
+
+ 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.
-
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 won't use
- hardware line delete/insert unless idlok(...,TRUE) has
- been set on the current window.
+ 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 win-
+ dow.
-