1 // SPDX-License-Identifier: BSD-2-Clause
2 /*
3  * Copyright (c) 2019, KAIST
4  */
5 #include <ctype.h>
6 
ispunct(int c)7 int ispunct(int c)
8 {
9     return isgraph(c) && !isalnum(c);
10 }
11