Re: Proposal: 6NF

From: David Cressey <dcressey_at_verizon.net>
Date: Thu, 12 Oct 2006 20:08:48 GMT
Message-ID: <khxXg.5456$WD1.2791_at_trndny04>


"Gene Wirchenko" <genew_at_ocis.net> wrote in message news:fm7ti25tlv80ddh2mvaur2dlq4tbr3koib_at_4ax.com...
> "David Cressey" <dcressey_at_verizon.net> wrote:
>
> [snip]
>
> >> Actually, no: C's NULL is nothing more than a zero value
> >> which marks the end of a string of characters or, by convention,
> >> the end of a list of pointers or an uninitialized pointer or a
> >> field of reset bits. (There was some use of an empty string
> >> called NULL, but that was a horrible mistake.)
> >
> >Confused. The ASCII character NULL is, indeed a string terminator in C.
>
> There is no ASCII character NULL. There is one called NUL. Its
> representation in C is '\0', and this is the string terminator.
>
You are correct. My mistake.

> >The end of a list of pointers is a very different animal, although it
also
> >has a zero representation. C is not strongly typed.
>
> C is quite strongly typed. It also allows you to override
> typing, but the results are often undefined or implementation-defined.

That's weak typing IIUC. Received on Thu Oct 12 2006 - 22:08:48 CEST

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