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Question

What is the output of this C code?
#include <stdio.h>
    int *(*(x()))[2];
    typedef int **(*ptrfoo)())[2];
    int main()
    {
        ptrfoo ptr1;
        ptr1 = x;
        ptr1();
        return 0;
    }
    int *(*(x()))[2]
    {
        int (*ary)[2] = malloc(sizeof * ary);
        return &ary;
    }

a.

Compile time error

b.

Nothing

c.

Undefined behaviour

d.

Depends on the standard

Answer: (b).Nothing

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Q. What is the output of this C code?

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