diff options
Diffstat (limited to 'ctype/ctype.h')
| -rw-r--r-- | ctype/ctype.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ctype/ctype.h b/ctype/ctype.h index 510b28ce3d..808e7bbf48 100644 --- a/ctype/ctype.h +++ b/ctype/ctype.h @@ -100,7 +100,7 @@ __exctype (isspace); __exctype (isupper); __exctype (isxdigit); -#ifdef __USE_GNU +#ifdef __USE_ISOC99 __exctype (isblank); #endif @@ -159,7 +159,7 @@ __exctype (_tolower); # define isupper(c) __isctype((c), _ISupper) # define isxdigit(c) __isctype((c), _ISxdigit) -# ifdef __USE_GNU +# ifdef __USE_ISOC99 # define isblank(c) __isctype((c), _ISblank) # endif |