what is the output and please explain the code how many processes and threads were created what are the contents of emilia.txt is line 28 important what is the purpose of dub2

 

1 void* rem (void *args) { 2 3 4} 5 void* ram (void *args) { 6 7 18 19 20 21 8} 9 int main(void) { 10 11 12 13 14 15 16 17 22 23 24 25 26 27 28 29 30 printf("Blue: %d ", *((int*) args)); exit(0); 31 32} printf("Pink: %d ", ((int*) args)[0]); return NULL; pid_t pid; pthread_t pthread; int status; //declaring vars int fd = open("emilia.txt", O_CREAT | O_TRUNC | O_WRONLY, 0666); int *subaru = (int*) calloc(1, sizeof(int)); printf("Original: %d ", *subaru); if(pid = fork()) { *subaru = 1337; pid = fork(); } if(!pid) { } else { pthread_create(&pthread, NULL, ram, (void*) subaru); for (int i = 0; i < 2; i++) waitpid (-1, &status, 0); pthread_create(&pthread, NULL, rem, (void *) subaru); } pthread_join(pthread, NULL); if(*subaru == 1337) dup2 (fd, fileno (stdout)); printf("All done! "); return 0;