diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/ctype.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/ctype.h b/src/include/ctype.h index ed4d88469..9f5127bf1 100644 --- a/src/include/ctype.h +++ b/src/include/ctype.h @@ -11,6 +11,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #define isdigit(c) ((c) >= '0' && (c) <= '9') #define islower(c) ((c) >= 'a' && (c) <= 'z') #define isupper(c) ((c) >= 'A' && (c) <= 'Z') +#define isxdigit(c) (isdigit(c) || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f')) static inline unsigned char tolower(unsigned char c) { |