#include&lt;stdio.h&gt;   #include&lt;sys/types.h&gt;   #include&lt;sys/un.h&gt;   #include&lt;sys/socket.h&gt;   #include&lt;errno.h&gt;&nbsp;   int main&#40;&#41;   &#123;       struct sockaddr_un addr;       int fd;       fd = socket&#40;AF_UNIX,SOCK_STREAM,0&#41;;       if &#40;fd == -1&#41;           perror&#40;&quot;socket&quot;&#41;;       addr.sun_family = AF_UNIX;       strcpy&#40;addr.sun_path,&quot;san_sock&quot;&#41;;       if &#40;bind&#40;4,&#40;struct sockaddr*&#41;&amp;addr,sizeof&#40;addr&#41;&#41; == -1&#41;           printf&#40;&quot;Sanfoudnry\n&quot;&#41;;       return 0;   &#125;
A. this program will print the string “Sanfoundry”
B. this program will not print the string “Sanfoundry”
C. segmentation fault
D. none of the mentioned
Answer:A
#include&lt;stdio.h&gt;   #include&lt;sys/types.h&gt;   #include&lt;sys/un.h&gt;   #include&lt;sys/socket.h&gt;   #include&lt;errno.h&gt;&nbsp;   int main&#40;&#41;   &#123;       struct sockaddr_un addr;       int fd;       fd = socket&#40;AF_UNIX,SOCK_STREAM,0&#41;;       if &#40;fd == -1&#41;           perror&#40;&quot;socket&quot;&#41;;       addr.sun_family = AF_UNIX;       strcpy&#40;addr.sun_path,&quot;san_sock&quot;&#41;;       if &#40;bind&#40;4,&#40;struct sockaddr*&#41;&amp;addr,sizeof&#40;addr&#41;&#41; == -1&#41;           printf&#40;&quot;Sanfoudnry\n&quot;&#41;;       return 0;   &#125;
A. this program will print the string “Sanfoundry” B. this program will not print the string “Sanfoundry” C. segmentation fault D. none of the mentioned
Explanation:The first argument of the bind() is not a valid file descriptor in this program.