exit (my_passwd && my_group ? EXIT_SUCCESS : EXIT_FAILURE);
return my_passwd && my_group ? EXIT_SUCCESS : EXIT_FAILURE;
main (int argc, char *argv[]){  uid_t me;  struct passwd *my_passwd;  struct group *my_group = NULL;  char **members;  me = getuid ();  my_passwd = getpwuid (me);  if (my_passwd == NULL)    printf ("Cannot find user entry for UID %d\n", me);  else    {      printf ("My login name is %s.\n", my_passwd->pw_name);      printf ("My uid is %d.\n", (int)(my_passwd->pw_uid));      printf ("My home directory is %s.\n", my_passwd->pw_dir);      printf ("My default shell is %s.\n", my_passwd->pw_shell);      my_group = getgrgid (my_passwd->pw_gid);      if (my_group == NULL)	printf ("No data for group %d found\n", my_passwd->pw_gid);      else	{	  printf ("My default group is %s (%d).\n",		  my_group->gr_name, (int)(my_passwd->pw_gid));	  printf ("The members of this group are:\n");	  for (members = my_group->gr_mem; *members != NULL; ++members)	    printf ("  %s\n", *members);	}    }  exit (my_passwd && my_group ? EXIT_SUCCESS : EXIT_FAILURE);}