53 	char *arg;  in renice_main()  local
60 	arg = *++argv;  in renice_main()
63 	if (arg && arg[0] == '-' && arg[1] == 'n') {  in renice_main()
65 		if (!arg[2])  in renice_main()
66 			arg = *++argv;  in renice_main()
68 			arg += 2;  in renice_main()
71 	if (!arg) {  /* No args?  Then show usage. */  in renice_main()
76 	adjustment = xatoi_range(arg, INT_MIN/2, INT_MAX/2);  in renice_main()
78 	while ((arg = *++argv) != NULL) {  in renice_main()
80 		if (arg[0] == '-' && arg[1]) {  in renice_main()
84 			const char *p = strchr(opts, arg[1]);  in renice_main()
87 				if (!arg[2])  in renice_main()
89 				arg += 2;  in renice_main()
97 			p = getpwnam(arg);  in renice_main()
99 				bb_error_msg("unknown user %s", arg);  in renice_main()
104 			who = bb_strtou(arg, NULL, 10);  in renice_main()
106 				bb_error_msg("invalid number '%s'", arg);  in renice_main()