#include &lt;stdio.h&gt;    struct point    &#123;        int x;        int y;    &#125;;    void foo&#40;struct point*&#41;;    int main&#40;&#41;    &#123;        struct point p1&#91;&#93; = &#123;1, 2, 3, 4&#125;;        foo&#40;p1&#41;;    &#125;    void foo&#40;struct point p&#91;&#93;&#41;    &#123;        printf&#40;&quot;%d %d\n&quot;, p-&gt;x, ++p-&gt;x&#41;;    &#125;
A. 1 2
B. 2 2
C. Compile time error
D. Undefined behaviour
Answer:A
#include &lt;stdio.h&gt;    struct point    &#123;        int x;        int y;    &#125;;    void foo&#40;struct point*&#41;;    int main&#40;&#41;    &#123;        struct point p1&#91;&#93; = &#123;1, 2, 3, 4&#125;;        foo&#40;p1&#41;;    &#125;    void foo&#40;struct point p&#91;&#93;&#41;    &#123;        printf&#40;&quot;%d %d\n&quot;, p-&gt;x, ++p-&gt;x&#41;;    &#125;
A. 1 2 B. 2 2 C. Compile time error D. Undefined behaviour