1) bb_opt_complementaly -> bb_opt_complementally

2) better support long options
3) new flag '!' for bb_opt_complementally: produce bb_show_usage() if BB_GETOPT_ERROR internally

coreutils/env.c

@@ -65,7 +65,7 @@ extern int env_main(int argc, char** argv)
 	llist_t *unset_env = NULL;
 	extern char **environ;
 
-	bb_opt_complementaly = "u*";
+	bb_opt_complementally = "u*";
 	bb_applet_long_options = env_long_options;
 
 	opt = bb_getopt_ulflags(argc, argv, "+iu:", &unset_env);