C variable declaration

Question

What is the output of below code?

#include<stdio.h>
Int check(int);
Int main()
    {

     Int k=35,z;

     z=check(k);

     printf("z=%d\n",z);

     return 0;

    }

int check(int m)

    {

     int m;

     if(m>40)

     return (!m++);

     else

     return (!++m);

    }

Answer 1

so i think  answer is 0

Comments

Yes

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no it is giving error after compiling please check.....

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Yes, m is declared twice.
I think when check(35) is called m=35; is done.
And again m is declared. This time no initialization. And as we know that it is a local variable to that scope, it has to get initialized, hence the error.

I think according to my limited knowledge this is what's happening