- new bb_opt_complementally syntax, use [-:?] only - 'free' chars

- new bb_getopt_ulflags features: check max and min args, convert first argv to options special for ar and tar applets
- use bb_default_error_retval for env applet

coreutils/install.c

@@ -61,7 +61,7 @@ extern int install_main(int argc, char **argv)
 	int ret = EXIT_SUCCESS, flags, i, isdir;
 
 	bb_applet_long_options = install_long_options;
-	bb_opt_complementally = "?s~d:d~s";
+	bb_opt_complementally = "?:s--d:d--s";
 	/* -c exists for backwards compatability, its needed */
 	flags = bb_getopt_ulflags(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str);	/* 'a' must be 2nd */