diff options
Diffstat (limited to 'lib/libc/locale/isascii.3')
| -rw-r--r-- | lib/libc/locale/isascii.3 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/libc/locale/isascii.3 b/lib/libc/locale/isascii.3 index f7e1325..294c5be 100644 --- a/lib/libc/locale/isascii.3 +++ b/lib/libc/locale/isascii.3 @@ -28,7 +28,7 @@ .\" @(#)isascii.3 8.2 (Berkeley) 12/11/93 .\" $FreeBSD$ .\" -.Dd October 6, 2002 +.Dd September 3, 2009 .Dt ISASCII 3 .Os .Sh NAME @@ -47,6 +47,15 @@ function tests for an .Tn ASCII character, which is any character between 0 and octal 0177 inclusive. +.Pp +.Em NOTE : +if the value passed to the +.Fn isascii +function is a +.Vt signed char , +as is usually the case, it must be cast to an +.Vt unsigned char +to avoid sign-extension errors. .Sh SEE ALSO .Xr ctype 3 , .Xr iswascii 3 , |
