1 /*
2  * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef CTYPE_H
8 #define CTYPE_H
9 
10 int isalnum(int c);
11 int isalpha(int c);
12 int iscntrl(int c);
13 int isdigit(int c);
14 int isgraph(int c);
15 int islower(int c);
16 int isprint(int c);
17 int ispunct(int c);
18 int isspace(int c);
19 int isupper(int c);
20 int isxdigit(int c);
21 int tolower(int c);
22 int toupper(int c);
23 
24 #endif /* CTYPE_H */
25