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| author | Tim J. Robbins <tjr@FreeBSD.org> | 2002-10-06 10:15:38 +0000 |
|---|---|---|
| committer | Tim J. Robbins <tjr@FreeBSD.org> | 2002-10-06 10:15:38 +0000 |
| commit | d9e5246b17769adb460515d3ac43c07f6996772c (patch) | |
| tree | 623a3f575bc53e37e40c586ebc8d724484f7ada3 /lib/libc/locale/isalnum.3 | |
| parent | f1433817e4d3ab79164136292e9ce71191dc49f0 (diff) | |
| download | src-d9e5246b17769adb460515d3ac43c07f6996772c.tar.gz src-d9e5246b17769adb460515d3ac43c07f6996772c.zip | |
Add a note to the Compatiblity section suggesting that these functions
only be used for byte values. Add cross-references to the wide-char
counterparts.
Notes
Notes:
svn path=/head/; revision=104562
Diffstat (limited to 'lib/libc/locale/isalnum.3')
| -rw-r--r-- | lib/libc/locale/isalnum.3 | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/libc/locale/isalnum.3 b/lib/libc/locale/isalnum.3 index 7e460d4e37be..5cc0f8c43282 100644 --- a/lib/libc/locale/isalnum.3 +++ b/lib/libc/locale/isalnum.3 @@ -36,7 +36,7 @@ .\" @(#)isalnum.3 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd June 4, 1993 +.Dd October 6, 2002 .Dt ISALNUM 3 .Os .Sh NAME @@ -88,10 +88,22 @@ The .Fn isalnum function returns zero if the character tests false and returns non-zero if the character tests true. +.Sh COMPATIBILITY +Although +.Fn isalnum +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 iswalnum +function should be used instead for maximum portability. .Sh SEE ALSO .Xr ctype 3 , .Xr isalpha 3 , .Xr isdigit 3 , +.Xr iswalnum 3 , .Xr multibyte 3 , .Xr ascii 7 .Sh STANDARDS |