475 	int st_fd, err,trials;  in main()  local
503 		st_fd = open(sysfs_install_entry, O_RDONLY);  in main()
504 		if(st_fd > 0)  in main()
512 	if (st_fd < 0) {  in main()
519 	err = read(st_fd, &install, 1);  in main()
531 	p.fd = st_fd;  in main()
544 	close(st_fd);  in main()
545 	st_fd = open(sysfs_install_entry, O_RDONLY);  in main()
546 	if (st_fd < 0) {  in main()
553 		err = read(st_fd, &install, 1);  in main()
560 	close(st_fd);  in main()