- 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

util-linux/hwclock.c

@@ -209,7 +209,7 @@ static const struct option hwclock_long_options[] = {
 	bb_applet_long_options = hwclock_long_options;
 #endif
 
-	bb_opt_complementally = "?r~ws:w~rs:s~wr:l~u:u~l";
+	bb_opt_complementally = "?:r--ws:w--rs:s--wr:l--u:u--l";
 	opt = bb_getopt_ulflags(argc, argv, "lursw");
 
 	/* If -u or -l wasn't given check if we are using utc */