C language, a great god teach
How to run this program, please explain,

CodePudding user response:

Recursion, the code is very short, the breakpoint and running, tracking the value to know,

CodePudding user response:

You ask too broad,,, do you want to ask, what is the recursive mean?

CodePudding user response:

There is a problem you fun function not return a value

CodePudding user response:

The

reference 4 floor weixin_45990870 reply:

there is a problem you fun function has no return value

int function returns a value