Comments in C 18

By Cheetah Faith | Programming Tutorials | 6 Apr 2022

Single Line Comments

Single line comments span over one line only and are ignored by the compiler.
In C they can be done with a double Slash.
In this case we do NOT need a semicolon at the end of the line.

They can either be above a part of the code...

Example:

#include <stdio.h>

int main()
{
// This is a single line comment

printf("%s", "Hello, World!");

return 0;
}

Or they can be in the same line of the code...

Example:

#include <stdio.h>

int main()
{
printf("%s", "Hello, World!"); // This is a single line comment

return 0;
}

Multi Line Comments

Multi line comments span over two or more lines and are ignored by the compiler.
In C they start with a slash and an asterisk and end with an asterisk and a slash.
In this case we do NOT need a semicolon at the end of the line.

Example:

#include <stdio.h>

int main()
{
/*

This is

a multi

line comment

printf("%s", "Hello, World!");

return 0;
}

Single Line comments and Multi Line Comments can also be used together.

Example:

#include <stdio.h>

int main()
{
/*