how to add comments in C programming?

Question

plz suggest me how to add comment in C programming?
is it /* xyz */ ? or // xyz ?

I think both can be added in C++ and not in C..
C accepts any one of those, n I am confused which one?

Answer 1

/* */ - is the only one used in c..
c++ has both

Answer 2

Comments In C

Answer 3

I can't believe how many people answered with misleading or incomplete answers. People, don't post guesses.

C definitely supports /* Comment here */ type comments. Such comments are multiline comments, so you can have
/*
Comment 1
Comment 2
*/

The question is with inline comments that are a part of C++.
code here // comment here
Note that they are not multiline. Inline comments are OK in C99, but in C90 they are not.

So you need to find out how old your C compiler is and what standard it supports. If it supports C99, you know it supports inline comments, otherwise no.

Answer 4

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The precompiler recognizes that all text contained in a /* and */ are comments. There are different sorts of comments. Depending on your compiler, it may also recognize c++ commenting, like // .

Answer 5

If you want to give a single line comment, try this:

int a=5; //initialization

or a multiline comment you can give this:

/*
Addition Of Two Numbers
By Bill Gates
© Microsoft Corporation
*/

Mostly multiline comments (/* */) are used for documentation. ir providing info about the program

Regards
Praveen Kumar

Answer 6

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RE:
how to add comments in C programming?
plz suggest me how to add comment in C programming?
is it /* xyz */ ? or // xyz ?

Answer 7

You're right. Both /* */ and // work in c++. But some compilers of C do not support //.
Try Turbo C. Do a google search for "Turbo C download" and click on the first result.
It supports //

Answer 8

Both are correct.
It is valid both in c as well as c++.
// is used for single line comment
/*
Used
for multiline
comment
*/

One important thing to note is that, comment should note be within another comment.
/*
first line
/*
second line
*/
third line
*/
These kind of comments are invalid.
Hope u got cleared now

Answer 9

hi there.
/* You need 2 comment in C like dis */

Answer 10

C compilers only accept text within /* */ as comments.
C++ compilers accept text within both /* */ and // as comments.

Remember: You can't have nested comments, e.g.
/* hello
/* I am here */

*/

A good way to provide comments is:

/*
* < text here>
*
*
*/