1 // SPDX-License-Identifier: BSD-2-Clause
2 /*
3  * Copyright (c) 2018, Linaro Limited
4  */
5 #include <ctype.h>
6 
isupper(int c)7 int isupper(int c)
8 {
9 	return (c >= 'A' && c <= 'Z');
10 }
11