diff options
Diffstat (limited to 'lib/libc/gen/isgraph.3')
| -rw-r--r-- | lib/libc/gen/isgraph.3 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libc/gen/isgraph.3 b/lib/libc/gen/isgraph.3 index 89dc7abaaa8..872e717026b 100644 --- a/lib/libc/gen/isgraph.3 +++ b/lib/libc/gen/isgraph.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: isgraph.3,v 1.5 1999/07/09 13:35:18 aaron Exp $ +.\" $OpenBSD: isgraph.3,v 1.6 2001/06/25 03:24:01 pjanzen Exp $ .\" .\" Copyright (c) 1991 The Regents of the University of California. .\" All rights reserved. @@ -78,3 +78,11 @@ The .Fn isgraph function conforms to .St -ansiC . +.Sh CAVEATS +The argument to +.Fn isgraph +must be +.Dv EOF +or representable as an +.Li unsigned char ; +otherwise, the result is undefined. |