From: horserivers@gmail.com (horseriver)
To: kernelnewbies@lists.kernelnewbies.org
Subject: why is this result ?
Date: Sat, 19 Jan 2013 07:40:43 +0800 [thread overview]
Message-ID: <20130118234043.GI2376@debian.localdomain> (raw)
In-Reply-To: <CABJqhQOL7=EwaGORsWmuZTu8R3+pQOcYxBwbkxzqossrK7NB1w@mail.gmail.com>
On Sat, Jan 19, 2013 at 09:15:23AM +0100, J?drzej Dudkiewicz wrote:
> >> Because it's not possible to have an object with nonzero size. The
> >> address of every object must be unique, so they have to be separated by
> >> one byte anyway.
> >
> > thanks!
> > Here I do not define a object of type A ,just do sizeof operation to a A struct ,not a specified object.
> > So if I defined A a , does sizeof(a) have the same mean with sizeof(A) ?
> > what does the sizeof operator essentially?
>
> Yes, sizeof(a) and sizeof(A) are identical. I understand sizeof(expr)
> as "tell me how many bytes I need to store result of expression expr"
.
When a is stored in one bytes, what is the mean or use of that byte data?
> --
> J?drzej Dudkiewicz
>
> I really hate this damn machine, I wish that they would sell it.
> It never does just what I want, but only what I tell it.
parent reply other threads:[~2013-01-18 23:40 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <CABJqhQOL7=EwaGORsWmuZTu8R3+pQOcYxBwbkxzqossrK7NB1w@mail.gmail.com>]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130118234043.GI2376@debian.localdomain \
--to=horserivers@gmail.com \
--cc=kernelnewbies@lists.kernelnewbies.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).