Date: Mon, 14 Jul 1997 14:03:44 +0100 (BST) From: Robin Carey <r.carey@dcs.napier.ac.uk> To: J Wunsch <j@uriah.heep.sax.de> Cc: Robin Carey <r.carey@dcs.napier.ac.uk>, Tim Vanderhoek <hoek@hwcn.org>, freebsd-bugs@FreeBSD.ORG Subject: Re: ispunct(3) [was: FreeBSD-2.1.1] Message-ID: <Pine.SOL.3.91.970714135123.19515B-100000@artemis> In-Reply-To: <19970713193138.DB37367@uriah.heep.sax.de>
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On Sun, 13 Jul 1997, J Wunsch wrote:
> As Robin Carey wrote:
>
> > Doesn't work on my FreeBSD-2.2.1 system ....
> > The ispunct(3) routine returns TRUE for characters which are not punctuation
> > and not in the man page, on my computer anyway.
>
> For me, it does return true for exactly those characters mentioned in
> the man page (neglecting the fact that the man page didn't get the
> backslash right):
>
> j@uriah 157% cat foo.c
> #include <stdio.h>
> #include <ctype.h>
>
> int
> main(void)
> {
> int c;
>
> for (c = 0; c < 128; c++)
> if (ispunct(c))
> putchar(c);
> putchar('\n');
> return 0;
> }
> j@uriah 158% cc -O foo.c
> j@uriah 159% ./a.out
> !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~
My original program differed to the above, approximately (in terms of your
code):
....
for (c = 0; c < 256; c++)
....
And my results were different; ispunct(3) was returning TRUE for chars
above 127 .....
>
> Note that the man page talks about ASCII characters, ispunct(3) also
> returns true for the punctuation characters of ISO Latin-1, if you
> extend the range above to < 256.
Oh ... the manual page doesn't mention anything about characters other
than ASCII. Doesn't that mean ispunct(3) is not "ANSI C" standard then ?
Cheers.
>
> --
> cheers, J"org
>
> joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
> Never trust an operating system you don't have sources for. ;-)
>
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