9 FILE_LICENCE ( GPL2_OR_LATER );
11 #define isdigit(c) ((c) >= '0' && (c) <= '9')
12 #define islower(c) ((c) >= 'a' && (c) <= 'z')
13 #define isupper(c) ((c) >= 'A' && (c) <= 'Z')
14 #define isxdigit(c) (isdigit(c) || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f'))
15 #define isprint(c) ((c) >= ' ' && (c) <= '~' )
17 static inline unsigned char tolower(unsigned char c)
24 static inline unsigned char toupper(unsigned char c)
31 extern int isspace ( int c );