What is the output of this program? #include<stdio.h> #include<pthread.h> #include<semaphore.h> void *fun_t(void *arg); void *fun_t(void *arg) { sem_post(&st); pthread_exit("Bye"); } int main() { pthread_t pt; sem_t st; void *res_t; if(pthread_create(&pt,NULL,fun_t,NULL) == -1) perror("pthread_create"); if(sem_init(&st,0,0) != 0) perror("sem_init"); if(sem_wait(&st) != 0) perror("sem_wait"); printf("Example\n"); if(pthread_join(pt,&res_t) == -1) perror("pthread_join"); if(sem_destroy(&st) != 0) perror("sem_destroy"); return 0; }

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