diff options
Diffstat (limited to 'lib/libc/locale/isblank.3')
-rw-r--r-- | lib/libc/locale/isblank.3 | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/libc/locale/isblank.3 b/lib/libc/locale/isblank.3 index 7c920f4..12e54a0 100644 --- a/lib/libc/locale/isblank.3 +++ b/lib/libc/locale/isblank.3 @@ -32,7 +32,7 @@ .\" @(#)isblank.3 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd June 4, 1993 +.Dd October 6, 2002 .Dt ISBLANK 3 .Os .Sh NAME @@ -66,6 +66,17 @@ representable as an .Li unsigned char or the value of .Dv EOF . +.Sh COMPATIBILITY +Although +.Fn isblank +accepts arguments outside of the range of the +.Vt "unsigned char" +type in locales with large character sets, +this is a +.Bx 4.4 +extension and the +.Fn iswblank +function should be used instead for maximum portability. .Sh RETURN VALUES The .Fn isblank @@ -73,6 +84,7 @@ function returns zero if the character tests false and returns non-zero if the character tests true. .Sh SEE ALSO .Xr ctype 3 , +.Xr iswblank 3 , .Xr multibyte 3 , .Xr ascii 7 .Sh STANDARDS |