./uls [-@ABCFGHLPRSTUabcdfhiklmnpqrstuwx1] [file ...]
make
make reinstall
make uninstall
write, malloc, malloc_size, free, perror, strerror, exit, opendir, readdir, closedir,stat, lstat, getpwuid, getgrgid, listxattr, getxattr, time, ctime, readlink, ioctl,isatty, acl_get_file, acl_to_text, acl_free