#include<stdio.h>
#include<conio.h>
main()
{
	//clrscr();  //clears the screen
	printf("This program explains comments"); /*how to use comment*/
}
// use for single line comment
/* use for multiple line comment*/
// clrscr(); not support in dev c++ compiler,defined in header file <conio.h>

In C, comments are used to add human-readable explanations and notes to the source code. There are two ways to add comments in C:

• Single-line comments: These are used to add comments that span only one line. A single-line comment starts with the characters // and continues until the end of the line. For example:

// This is a single-line comment

• Multi-line comments: These are used to add comments that span multiple lines. A multi-line comment starts with the characters /* and ends with the characters */. Everything between these characters is considered a comment. For example:

/*
This is a multi-line comment.
It can span multiple lines.
*/

It’s important to note that the characters /* and */ are not treated as special characters within a string or character constant, so if you want to include them in string or character constant, you need to escape them using backslash.

It’s also a good practice to add comments in your code to explain what the code is doing, especially for complex or non-obvious code. Comments help make the code more readable and easier to understand for other developers who may need to work with it in the future.

Thanks