1 // SPDX-License-Identifier: BSD-2-Clause
2 /*
3  * Copyright (c) 2018, Linaro Limited
4  */
5 #include <ctype.h>
6 
isdigit(int c)7 int isdigit(int c)
8 {
9 	if (c >= '0' && c <= '9')
10 		return 1;
11 	return 0;
12 }
13