how to make a comment in c 2b 2b

1/* This is a comment */
2
3/* C++ comments can also
4   * span multiple lines
5*/
6
7/* Meowwwwww */

1// This is a single one line comment
2
3/*
4multiline comment
5*/

1//This is a single line comment in C++.
2
3/*
4This
5is a 
6multiline comment
7*/