What will be the output of the following C code?#include

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What will be the output of the following C code?

#include <stdio.h>
    int main()
    {
        int n = 12;
        void *ptr = &n;
        printf("%d\n", (int)*ptr);
        return 0;
    }

1. Compilation Error
2. Garbage value
3. 12
4. Nothing
5. None of these

Correct Option: A

Compilation Error

main.c: In function ‘main’:
main.c:6:29: warning: dereferencing ‘void *’ pointer
         printf("%d\n", (int)*ptr);
                             ^~~~
main.c:6:24: error: invalid use of void expression
         printf("%d\n", (int)*ptr);