#include &lt;stdio.h&gt;    void first&#40;&#41;    &#123;        printf&#40;&quot;first&quot;&#41;;    &#125;    void second&#40;&#41;    &#123;        first&#40;&#41;;    &#125;    void third&#40;&#41;    &#123;        second&#40;&#41;;    &#125;    void main&#40;&#41;    &#123;        void &#40;*ptr&#41;&#40;&#41;;        ptr = third;        ptr&#40;&#41;;    &#125;
A. Function first
B. Function second
C. Function third
D. None of the mentioned
Answer:A
#include &lt;stdio.h&gt;    void first&#40;&#41;    &#123;        printf&#40;&quot;first&quot;&#41;;    &#125;    void second&#40;&#41;    &#123;        first&#40;&#41;;    &#125;    void third&#40;&#41;    &#123;        second&#40;&#41;;    &#125;    void main&#40;&#41;    &#123;        void &#40;*ptr&#41;&#40;&#41;;        ptr = third;        ptr&#40;&#41;;    &#125;
A. Function first B. Function second C. Function third D. None of the mentioned