Comments are used to document the c source code, It makes source code more readable & easier to understand. Compiler ignores the comments.

c language has two types of comments

  1. Single line comment
  2. Multiline comment

Single line comment

// I am single line comment

Example

void main()
{
	// Outputs Hello World
	printf("Hello world");
}

Multiline comment

/*
    I am 
    Multi line
    comment
*/

Example

void main()
{
	
       /*
		Outputs Hello World
		to the screen
	*/
		printf("Hello world");
}