diff options
Diffstat (limited to 'lib/posixtm.c')
| -rw-r--r-- | lib/posixtm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/posixtm.c b/lib/posixtm.c index 5023c3442e..43161d2e0e 100644 --- a/lib/posixtm.c +++ b/lib/posixtm.c @@ -44,11 +44,11 @@ #endif /* ISDIGIT differs from isdigit, as follows: - - Its arg may be any int or unsigned int; it need not be an unsigned char. - - It's guaranteed to evaluate its argument exactly once. + - Its arg may be any int or unsigned int; it need not be an unsigned char + or EOF. - It's typically faster. POSIX says that only '0' through '9' are digits. Prefer ISDIGIT to - ISDIGIT_LOCALE unless it's important to use the locale's definition + isdigit unless it's important to use the locale's definition of `digit' even when the host does not conform to POSIX. */ #define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9) |