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From: Matt Armstrong <matt@rfc20.org>
To: Troy Hinckley <troyhinckley@gmail.com>, emacs-devel@gnu.org
Subject: Re: question about Qnil representation
Date: Wed, 26 Oct 2022 09:16:53 -0700	[thread overview]
Message-ID: <87ilk6a7be.fsf@rfc20.org> (raw)
In-Reply-To: <5a00e93e-5f44-4865-aeeb-51f0aced9996@Spark>

Troy Hinckley <troyhinckley@gmail.com> writes:

> but 0 would not be a valid pointer.

I am a confused by this.  0 is a valid value for a C pointer.  This is
what NULL is, etc.  You must not dereference it, but it is a valid
value.



  parent reply	other threads:[~2022-10-26 16:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5a560265-fa81-42d2-945b-ab85d72df9e6@Spark>
2022-10-26 15:40 ` question about Qnil representation Troy Hinckley
2022-10-26 16:00   ` Eli Zaretskii
2022-10-26 16:04     ` Troy Hinckley
2022-10-26 16:09       ` Eli Zaretskii
2022-10-27  0:45       ` Po Lu
2022-10-26 16:16   ` Matt Armstrong [this message]
2022-10-26 16:22     ` Troy Hinckley
2022-10-26 16:45       ` Eli Zaretskii
2022-10-26 18:46         ` Troy Hinckley
2022-10-26 19:01           ` Stefan Monnier
2022-10-26 19:03           ` Eli Zaretskii
2022-10-27  0:47           ` Po Lu

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