318 static void print_usage(struct command *commands, int idx, int prefix,  in print_usage()  argument
324 	for (i = 0; i <= idx; i++)  in print_usage()
333 static int run_cmd(struct command *commands, int idx, int prefix,  in run_cmd()  argument
337 	if (argc <= idx + 1)  in run_cmd()
340 	idx += 1;  in run_cmd()
342 		if (!strcmp(c->name + prefix, argv[idx])) {  in run_cmd()
345 				return run_cmd(c->subcmd, idx, nprefx,  in run_cmd()
348 				return c->handler(argc - idx, argv + idx);  in run_cmd()
350 				print_usage(c->subcmd, idx, nprefx, argc, argv);  in run_cmd()
355 	idx -= 1; /* last command word was unknown */  in run_cmd()
357 	print_usage(commands, idx, prefix, argc, argv);  in run_cmd()