#include&lt;stdio.h&gt;   #include&lt;sys/time.h&gt;   #include&lt;sys/resource.h&gt;&nbsp;   int main&#40;&#41;   &#123;       struct rlimit limit;       if&#40;getrlimit&#40;RLIMIT_NOFILE,&amp;limit&#41; != 0&#41;           perror&#40;&quot;getrlimit&quot;&#41;;       printf&#40;&quot;%lu\n&quot;,limit.rlim_max&#41;;       return 0;   &#125;
A. this program will print the maximum numbers of the file descriptors that can be opened by a process
B. this program will print the maximum numbers of the child processes of the current process
C. this program will give an error because RLIMIT_NOFILE does not exist
D. none of the mentioned
Answer:A
#include&lt;stdio.h&gt;   #include&lt;sys/time.h&gt;   #include&lt;sys/resource.h&gt;&nbsp;   int main&#40;&#41;   &#123;       struct rlimit limit;       if&#40;getrlimit&#40;RLIMIT_NOFILE,&amp;limit&#41; != 0&#41;           perror&#40;&quot;getrlimit&quot;&#41;;       printf&#40;&quot;%lu\n&quot;,limit.rlim_max&#41;;       return 0;   &#125;
A. this program will print the maximum numbers of the file descriptors that can be opened by a process B. this program will print the maximum numbers of the child processes of the current process C. this program will give an error because RLIMIT_NOFILE does not exist D. none of the mentioned
Explanation:None.