How many annotation methods are there in C language?

#How many comment methods are there in C language?

There are three C language annotation methods.

The first type: single-line comments //…

代码
// 注释
代码

The second type: multi-line comments/*…*/

代码
/* 注释1
注释
注释3
*/
代码

The third type: conditional compilation comment #if 0...#endif

代码
#if 0
注释1
注释2
注释3
#endif
代码

Combination 1:

#if 0
/*
注释
*/
#endif

Combination 2:

/*
//注释
*/

Recommended tutorial: "C Language"

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