From mboxrd@z Thu Jan  1 00:00:00 1970
From: dave.hellewell@gmail.com (Dave Hellewell)
Date: Tue, 30 Jul 2013 01:24:29 +1000
Subject: Why use "." in the struct in this way?
In-Reply-To: <CA+5jrf=Nr7qEEiSwU416CkFtCwj6juiLsN-0-xTmn=8K5dPq4A@mail.gmail.com>
References: <CA+5jrf=Nr7qEEiSwU416CkFtCwj6juiLsN-0-xTmn=8K5dPq4A@mail.gmail.com>
Message-ID: <51F6892D.5030205@gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On 30/07/13 00:56, lx wrote:
> hi all:
>        why use the struct in this way by "."
> 
> for example, *.owner* instead of *owner* , why? 

It's utilising a feature known as designated initialisers. Essentially,
using this technique, struct members may be initialised out of order
from the way the struct is defined.

cf.
http://en.wikipedia.org/wiki/Struct_(C_programming_language)#Struct_initialization

Cheers,

Dave