05-18-2011
Confusion with CRLF (wint) and LF (unix) as end of line seperators
I know that windows uses CRLF as a end of line character while Unix uses LF. But visually i could not see any difference in files while creating on either of plat forms.
CR (Carriage Return) means to bring cursor to beginning of line while LF (Line feed) means to bring cursor to next line without modifying its position.
Now when i hit enter on a file in windows, end of line is represented by CRLF, that's why i see the cursor at the beginning of next line. Now in unix also when i hit enter i see cursor on the beginning of next line but unix uses line feed only and not carriage return.
I am confused with this. Is there any way to visualize these? what additional benefit we are getting using CR in windows in addition if same result can be obtained using Line feed only.
Thanks
Sarbjit
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LEARN ABOUT ULTRIX
wdelch
delch(3cur) delch(3cur)
Name
delch, mvdelch, mvwdelch, wdelch - remove character from window
Syntax
#include <cursesX.h>
int delch()
int wdelch(win)
WINDOW *win;
int mvdelch(y, x)
int y, x;
int mvwdelch(win, y, x)
WINDOW *win;
int y, x;
Description
The routine deletes the character under the cursor in the default window. All characters to the right on the same line are moved to the
left one position and the last character on the line is filled with a blank. The cursor position does not change.
The routine deletes the character under the cursor in the specified window. All characters to the right on the same line are moved to the
left one position and the last character on the line is filled with a blank. The cursor position does not change.
The routine moves the cursor to the specified position in the default window. The character found at this location is deleted. All char-
acters to the right on the same line are moved to the left one position and the last character on the line is filled with a blank. The
cursor position does not change.
The routine moves the cursor to the specified position in the specified window. The character found at this location is deleted. All
characters to the right on the same line are moved to the left one position and the last character on the line is filled with a blank. The
cursor position does not change.
The routines and are macros.
Return Values
The and functions return OK on success and ERR on error.
delch(3cur)