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What does “^L” mean in C?
2019 Community Moderator ElectionWhat is the difference between #include <filename> and #include “filename”?What is the strict aliasing rule?What does “static” mean in C?What is the effect of extern “C” in C++?What is the difference between const int*, const int * const, and int const *?What does “dereferencing” a pointer mean?What does the C ??!??! operator do?What is “:-!!” in C code?Why does the C preprocessor interpret the word “linux” as the constant “1”?Why does ENOENT mean “No such file or directory”?
For example, main in src/hello.c in the GNU Hello package ends like this:
exit (EXIT_SUCCESS);
}
^L
c
edited yesterday
Peter Mortensen
13.8k1987113
asked yesterday
Sean LetendreSean Letendre
4711622
add a comment |
For example, main in src/hello.c in the GNU Hello package ends like this:
exit (EXIT_SUCCESS);
}
^L
c
edited yesterday
Peter Mortensen
13.8k1987113
asked yesterday
Sean LetendreSean Letendre
4711622
8
It means that the program's done ... to L with it!
– Hot Licks
yesterday
I'm wondering though if that is an actual FF and the editor simply shows it like ^L, or if it's the characters "^L". If I were an editor, I'd show an FF like "♀" or "␌".
– Mr Lister
13 hours ago
add a comment |
For example, main in src/hello.c in the GNU Hello package ends like this:
exit (EXIT_SUCCESS);
}
^L
c
edited yesterday
Peter Mortensen
13.8k1987113
asked yesterday
Sean LetendreSean Letendre
4711622
For example, main in src/hello.c in the GNU Hello package ends like this:
exit (EXIT_SUCCESS);
}
^L
c
c
edited yesterday
Peter Mortensen
13.8k1987113
asked yesterday
Sean LetendreSean Letendre
4711622
edited yesterday
Peter Mortensen
13.8k1987113
asked yesterday
Sean LetendreSean Letendre
4711622
edited yesterday
Peter Mortensen
13.8k1987113
edited yesterday
Peter Mortensen
13.8k1987113
edited yesterday
Peter Mortensen
13.8k1987113
13.8k1987113
asked yesterday
Sean LetendreSean Letendre
4711622
asked yesterday
Sean LetendreSean Letendre
4711622
asked yesterday
Sean LetendreSean Letendre
4711622
4711622
8
It means that the program's done ... to L with it!
– Hot Licks
yesterday
I'm wondering though if that is an actual FF and the editor simply shows it like ^L, or if it's the characters "^L". If I were an editor, I'd show an FF like "♀" or "␌".
– Mr Lister
13 hours ago
add a comment |
8
It means that the program's done ... to L with it!
– Hot Licks
yesterday
I'm wondering though if that is an actual FF and the editor simply shows it like ^L, or if it's the characters "^L". If I were an editor, I'd show an FF like "♀" or "␌".
– Mr Lister
13 hours ago
8
8
It means that the program's done ... to L with it!
– Hot Licks
yesterday
It means that the program's done ... to L with it!
– Hot Licks
yesterday
I'm wondering though if that is an actual FF and the editor simply shows it like ^L, or if it's the characters "^L". If I were an editor, I'd show an FF like "♀" or "␌".
– Mr Lister
13 hours ago
I'm wondering though if that is an actual FF and the editor simply shows it like ^L, or if it's the characters "^L". If I were an editor, I'd show an FF like "♀" or "␌".
– Mr Lister
13 hours ago
add a comment |
1 Answer
1
active
oldest
votes
Literally, it's a page break ("form feed") character. The compiler treats it as ordinary whitespace. But it's very useful for printing source code - it starts a new page (for example, use ^L between functions to force each call to get its own page).
In Vim/vi based editors, you can insert such a character within edit mode by typing Ctrl + V followed by Ctrl + L. It will look like ^L in the editor, but it's actually just one character (ASCII value: 12 or 0x0C).
edited yesterday
Peter Mortensen
13.8k1987113
answered yesterday
selbieselbie
56.3k1064124
"it starts a new page" elaborate on this? What do you mean by a page exactly?
– FireCubez
yesterday
6
If you would print the source code on paper, the printer would… start a new page.
– Hermann
yesterday
7
Literally this
– selbie
yesterday
8
@Croll Obviously that's been a short life. You've never had to deal with hundreds of pages of listing s from a line printer. You'd use it all right.
– user207421
yesterday
4
@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?
– naomimyselfandi
yesterday
|
show 6 more comments
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Literally, it's a page break ("form feed") character. The compiler treats it as ordinary whitespace. But it's very useful for printing source code - it starts a new page (for example, use ^L between functions to force each call to get its own page).
In Vim/vi based editors, you can insert such a character within edit mode by typing Ctrl + V followed by Ctrl + L. It will look like ^L in the editor, but it's actually just one character (ASCII value: 12 or 0x0C).
edited yesterday
Peter Mortensen
13.8k1987113
answered yesterday
selbieselbie
56.3k1064124
"it starts a new page" elaborate on this? What do you mean by a page exactly?
– FireCubez
yesterday
6
If you would print the source code on paper, the printer would… start a new page.
– Hermann
yesterday
7
Literally this
– selbie
yesterday
8
@Croll Obviously that's been a short life. You've never had to deal with hundreds of pages of listing s from a line printer. You'd use it all right.
– user207421
yesterday
4
@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?
– naomimyselfandi
yesterday
|
show 6 more comments
Literally, it's a page break ("form feed") character. The compiler treats it as ordinary whitespace. But it's very useful for printing source code - it starts a new page (for example, use ^L between functions to force each call to get its own page).
In Vim/vi based editors, you can insert such a character within edit mode by typing Ctrl + V followed by Ctrl + L. It will look like ^L in the editor, but it's actually just one character (ASCII value: 12 or 0x0C).
edited yesterday
Peter Mortensen
13.8k1987113
answered yesterday
selbieselbie
56.3k1064124
"it starts a new page" elaborate on this? What do you mean by a page exactly?
– FireCubez
yesterday
6
If you would print the source code on paper, the printer would… start a new page.
– Hermann
yesterday
7
Literally this
– selbie
yesterday
8
@Croll Obviously that's been a short life. You've never had to deal with hundreds of pages of listing s from a line printer. You'd use it all right.
– user207421
yesterday
4
@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?
– naomimyselfandi
yesterday
|
show 6 more comments
Literally, it's a page break ("form feed") character. The compiler treats it as ordinary whitespace. But it's very useful for printing source code - it starts a new page (for example, use ^L between functions to force each call to get its own page).
In Vim/vi based editors, you can insert such a character within edit mode by typing Ctrl + V followed by Ctrl + L. It will look like ^L in the editor, but it's actually just one character (ASCII value: 12 or 0x0C).
edited yesterday
Peter Mortensen
13.8k1987113
answered yesterday
selbieselbie
56.3k1064124
Literally, it's a page break ("form feed") character. The compiler treats it as ordinary whitespace. But it's very useful for printing source code - it starts a new page (for example, use ^L between functions to force each call to get its own page).
In Vim/vi based editors, you can insert such a character within edit mode by typing Ctrl + V followed by Ctrl + L. It will look like ^L in the editor, but it's actually just one character (ASCII value: 12 or 0x0C).
edited yesterday
Peter Mortensen
13.8k1987113
answered yesterday
selbieselbie
56.3k1064124
edited yesterday
Peter Mortensen
13.8k1987113
edited yesterday
Peter Mortensen
13.8k1987113
edited yesterday
Peter Mortensen
13.8k1987113
13.8k1987113
answered yesterday
selbieselbie
56.3k1064124
answered yesterday
selbieselbie
56.3k1064124
answered yesterday
selbieselbie
56.3k1064124
56.3k1064124
"it starts a new page" elaborate on this? What do you mean by a page exactly?
– FireCubez
yesterday
6
If you would print the source code on paper, the printer would… start a new page.
– Hermann
yesterday
7
Literally this
– selbie
yesterday
8
@Croll Obviously that's been a short life. You've never had to deal with hundreds of pages of listing s from a line printer. You'd use it all right.
– user207421
yesterday
4
@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?
– naomimyselfandi
yesterday
|
show 6 more comments
"it starts a new page" elaborate on this? What do you mean by a page exactly?
– FireCubez
yesterday
6
If you would print the source code on paper, the printer would… start a new page.
– Hermann
yesterday
7
Literally this
– selbie
yesterday
8
@Croll Obviously that's been a short life. You've never had to deal with hundreds of pages of listing s from a line printer. You'd use it all right.
– user207421
yesterday
4
@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?
– naomimyselfandi
yesterday
"it starts a new page" elaborate on this? What do you mean by a page exactly?
– FireCubez
yesterday
"it starts a new page" elaborate on this? What do you mean by a page exactly?
– FireCubez
yesterday
6
6
If you would print the source code on paper, the printer would… start a new page.
– Hermann
yesterday
If you would print the source code on paper, the printer would… start a new page.
– Hermann
yesterday
7
7
Literally this
– selbie
yesterday
Literally this
– selbie
yesterday
8
8
@Croll Obviously that's been a short life. You've never had to deal with hundreds of pages of listing s from a line printer. You'd use it all right.
– user207421
yesterday
@Croll Obviously that's been a short life. You've never had to deal with hundreds of pages of listing s from a line printer. You'd use it all right.
– user207421
yesterday
4
4
@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?
– naomimyselfandi
yesterday
@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?
– naomimyselfandi
yesterday
|
show 6 more comments
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8
It means that the program's done ... to L with it!
– Hot Licks
yesterday
I'm wondering though if that is an actual FF and the editor simply shows it like ^L, or if it's the characters "^L". If I were an editor, I'd show an FF like "♀" or "␌".
– Mr Lister
13 hours ago