diff options
Diffstat (limited to 'lib/libc/gen/isalpha.3')
| -rw-r--r-- | lib/libc/gen/isalpha.3 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libc/gen/isalpha.3 b/lib/libc/gen/isalpha.3 index 91da6e8fc81..2ea0904cc64 100644 --- a/lib/libc/gen/isalpha.3 +++ b/lib/libc/gen/isalpha.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: isalpha.3,v 1.6 1999/07/09 13:35:17 aaron Exp $ +.\" $OpenBSD: isalpha.3,v 1.7 2001/06/25 03:23:56 pjanzen Exp $ .\" .\" Copyright (c) 1991 The Regents of the University of California. .\" All rights reserved. @@ -96,3 +96,11 @@ The .Fn isalpha function conforms to .St -ansiC . +.Sh CAVEATS +The argument to +.Fn isalpha +must be +.Dv EOF +or representable as an +.Li unsigned char ; +otherwise, the result is undefined. |