#include&lt;stdio.h&gt;   #include&lt;sys/socket.h&gt;   int main&#40;&#41;   &#123;        int ret;       ret = shutdown&#40;0,0&#41;;       printf&#40;&quot;%d\n&quot;,ret&#41;;       return 0;   &#125;
A. 0
B. -1
C. can not be determined
D. none of the mentioned
Answer:A
#include&lt;stdio.h&gt;   #include&lt;sys/socket.h&gt;   int main&#40;&#41;   &#123;        int ret;       ret = shutdown&#40;0,0&#41;;       printf&#40;&quot;%d\n&quot;,ret&#41;;       return 0;   &#125;
A. 0 B. -1 C. can not be determined D. none of the mentioned
Explanation:The shutdown() is used to close a socket and the first argument in shutdown() is socket.