What does “^L” mean in C?












20















For example, main in src/hello.c in the GNU Hello package ends like this:



   exit (EXIT_SUCCESS);
}
^L









share|improve this question




















  • 2





    It means that the program's done ... to L with it!

    – Hot Licks
    2 hours ago
















20















For example, main in src/hello.c in the GNU Hello package ends like this:



   exit (EXIT_SUCCESS);
}
^L









share|improve this question




















  • 2





    It means that the program's done ... to L with it!

    – Hot Licks
    2 hours ago














20












20








20


5






For example, main in src/hello.c in the GNU Hello package ends like this:



   exit (EXIT_SUCCESS);
}
^L









share|improve this question
















For example, main in src/hello.c in the GNU Hello package ends like this:



   exit (EXIT_SUCCESS);
}
^L






c






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 3 hours ago









Peter Mortensen

13.8k1987113




13.8k1987113










asked 18 hours ago









Sean LetendreSean Letendre

4631621




4631621








  • 2





    It means that the program's done ... to L with it!

    – Hot Licks
    2 hours ago














  • 2





    It means that the program's done ... to L with it!

    – Hot Licks
    2 hours ago








2




2





It means that the program's done ... to L with it!

– Hot Licks
2 hours ago





It means that the program's done ... to L with it!

– Hot Licks
2 hours ago












1 Answer
1






active

oldest

votes


















35














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).






share|improve this answer


























  • "it starts a new page" elaborate on this? What do you mean by a page exactly?

    – FireCubez
    5 hours ago






  • 2





    If you would print the source code on paper, the printer would… start a new page.

    – Hermann
    4 hours ago






  • 5





    Literally this

    – selbie
    4 hours ago






  • 3





    @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
    3 hours ago






  • 2





    @Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?

    – naomimyselfandi
    3 hours ago











Your Answer






StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");

StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});

function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});


}
});














draft saved

draft discarded


















StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f55203770%2fwhat-does-l-mean-in-c%23new-answer', 'question_page');
}
);

Post as a guest















Required, but never shown

























1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









35














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).






share|improve this answer


























  • "it starts a new page" elaborate on this? What do you mean by a page exactly?

    – FireCubez
    5 hours ago






  • 2





    If you would print the source code on paper, the printer would… start a new page.

    – Hermann
    4 hours ago






  • 5





    Literally this

    – selbie
    4 hours ago






  • 3





    @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
    3 hours ago






  • 2





    @Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?

    – naomimyselfandi
    3 hours ago
















35














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).






share|improve this answer


























  • "it starts a new page" elaborate on this? What do you mean by a page exactly?

    – FireCubez
    5 hours ago






  • 2





    If you would print the source code on paper, the printer would… start a new page.

    – Hermann
    4 hours ago






  • 5





    Literally this

    – selbie
    4 hours ago






  • 3





    @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
    3 hours ago






  • 2





    @Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?

    – naomimyselfandi
    3 hours ago














35












35








35







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).






share|improve this answer















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).







share|improve this answer














share|improve this answer



share|improve this answer








edited 3 hours ago









Peter Mortensen

13.8k1987113




13.8k1987113










answered 18 hours ago









selbieselbie

56.3k1063124




56.3k1063124













  • "it starts a new page" elaborate on this? What do you mean by a page exactly?

    – FireCubez
    5 hours ago






  • 2





    If you would print the source code on paper, the printer would… start a new page.

    – Hermann
    4 hours ago






  • 5





    Literally this

    – selbie
    4 hours ago






  • 3





    @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
    3 hours ago






  • 2





    @Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?

    – naomimyselfandi
    3 hours ago



















  • "it starts a new page" elaborate on this? What do you mean by a page exactly?

    – FireCubez
    5 hours ago






  • 2





    If you would print the source code on paper, the printer would… start a new page.

    – Hermann
    4 hours ago






  • 5





    Literally this

    – selbie
    4 hours ago






  • 3





    @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
    3 hours ago






  • 2





    @Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?

    – naomimyselfandi
    3 hours ago

















"it starts a new page" elaborate on this? What do you mean by a page exactly?

– FireCubez
5 hours ago





"it starts a new page" elaborate on this? What do you mean by a page exactly?

– FireCubez
5 hours ago




2




2





If you would print the source code on paper, the printer would… start a new page.

– Hermann
4 hours ago





If you would print the source code on paper, the printer would… start a new page.

– Hermann
4 hours ago




5




5





Literally this

– selbie
4 hours ago





Literally this

– selbie
4 hours ago




3




3





@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
3 hours ago





@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
3 hours ago




2




2





@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?

– naomimyselfandi
3 hours ago





@Croll Well, it's hardly the first time someone's used whitespace to make code format nicely, is it?

– naomimyselfandi
3 hours ago




















draft saved

draft discarded




















































Thanks for contributing an answer to Stack Overflow!


  • Please be sure to answer the question. Provide details and share your research!

But avoid



  • Asking for help, clarification, or responding to other answers.

  • Making statements based on opinion; back them up with references or personal experience.


To learn more, see our tips on writing great answers.




draft saved


draft discarded














StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f55203770%2fwhat-does-l-mean-in-c%23new-answer', 'question_page');
}
);

Post as a guest















Required, but never shown





















































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown

































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown







Popular posts from this blog

How did Captain America manage to do this?

迪纳利

南乌拉尔铁路局