/* SPDX-License-Identifier: LGPL-2.0-or-later */ #ifndef _CTYPE_H_ #define _CTYPE_H_ static inline int isblank(int c) { return c == ' ' || c == '\t'; } static inline int islower(int c) { return c >= 'a' && c <= 'z'; } static inline int isupper(int c) { return c >= 'A' && c <= 'Z'; } static inline int isalpha(int c) { return isupper(c) || islower(c); } static inline int isdigit(int c) { return c >= '0' && c <= '9'; } static inline int isalnum(int c) { return isalpha(c) || isdigit(c); } static inline int isspace(int c) { return c == ' ' || c == '\t' || c == '\r' || c == '\n' || c == '\v' || c == '\f'; } #endif /* _CTYPE_H_ */