argv[]) { char *endptr; uid_t uid; struct passwd *pwd; if (argc != 3 || argvargv[]) { char *endptr; uid_t uid; struct passwd *pwd; if (argc != 3 || argvargv[]) { char *endptr; uid_t uid; struct passwd *pwd; if (argc != 3 || argvargv[]) { char *endptr; uid_t uid; struct passwd *pwd; if (argc != 3 || argvargv[]) { char *endptr; uid_t uid; struct passwd *pwd; if (argc != 3 || argvargv[]) { char *endptr; uid_t uid; struct passwd *pwd; if (argc != 3 || argvargv[]) { char *endptr; uid_t uid; struct passwd *pwd; if (argc != 3 || argv