#include&lt;stdio.h&gt;   #include&lt;pthread.h&gt;   #include&lt;semaphore.h&gt;&nbsp;   sem_t st;   void *fun_t&#40;void *arg&#41;;   void *fun_t&#40;void *arg&#41;   &#123;       printf&#40;&quot;Linux\n&quot;&#41;;       sem_post&#40;&amp;st&#41;;       pthread_exit&#40;&quot;Bye&quot;&#41;;    &#125;   int main&#40;&#41;   &#123;       pthread_t pt;       void *res_t;       if&#40;pthread_create&#40;&amp;pt,NULL,fun_t,NULL&#41; == -1&#41;           perror&#40;&quot;pthread_create&quot;&#41;;       if&#40;sem_init&#40;&amp;st,0,0&#41; != 0&#41;           perror&#40;&quot;sem_init&quot;&#41;;       if&#40;sem_wait&#40;&amp;st&#41; != 0&#41;           perror&#40;&quot;sem_wait&quot;&#41;;       printf&#40;&quot;Sanoundry\n&quot;&#41;;       if&#40;pthread_join&#40;pt,&amp;res_t&#41; == -1&#41;           perror&#40;&quot;pthread_join&quot;&#41;;       if&#40;sem_destroy&#40;&amp;st&#41; != 0&#41;           perror&#40;&quot;sem_destroy&quot;&#41;;       return 0;   &#125;
A. Linux
B. Sanfoundry
C. can not be predicted
D. none of the mentioned
Answer:A
#include&lt;stdio.h&gt;   #include&lt;pthread.h&gt;   #include&lt;semaphore.h&gt;&nbsp;   sem_t st;   void *fun_t&#40;void *arg&#41;;   void *fun_t&#40;void *arg&#41;   &#123;       printf&#40;&quot;Linux\n&quot;&#41;;       sem_post&#40;&amp;st&#41;;       pthread_exit&#40;&quot;Bye&quot;&#41;;    &#125;   int main&#40;&#41;   &#123;       pthread_t pt;       void *res_t;       if&#40;pthread_create&#40;&amp;pt,NULL,fun_t,NULL&#41; == -1&#41;           perror&#40;&quot;pthread_create&quot;&#41;;       if&#40;sem_init&#40;&amp;st,0,0&#41; != 0&#41;           perror&#40;&quot;sem_init&quot;&#41;;       if&#40;sem_wait&#40;&amp;st&#41; != 0&#41;           perror&#40;&quot;sem_wait&quot;&#41;;       printf&#40;&quot;Sanoundry\n&quot;&#41;;       if&#40;pthread_join&#40;pt,&amp;res_t&#41; == -1&#41;           perror&#40;&quot;pthread_join&quot;&#41;;       if&#40;sem_destroy&#40;&amp;st&#41; != 0&#41;           perror&#40;&quot;sem_destroy&quot;&#41;;       return 0;   &#125;
A. Linux B. Sanfoundry C. can not be predicted D. none of the mentioned
Explanation:The string “Linux” will print first because of semaphores.