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Programming > C Moderated > Re: Pointer to ...
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Re: Pointer to an individual bit?

by =?ISO-8859-1?Q?Hans-Bernhard_Br=F6ker?= <HBBroeker@[EMAIL PROTECTED] > Jan 14, 2008 at 12:49 PM

sigmacunfu wrote:

> 1. I want to know, if it's possible to have a pointer that is pointing
> to an individual bit, say, of an "int"?

No.  Not in the language that is the topic of this newsgroup, anyway.

> 2. Suppose that I have declared a "unsigned int", using bitwise
> operations, I have set the higher 16 bits to 1, is it possible now
> that without using bitwise operations, I could copy a 16-bit "unsigned
> short" into its lower 16 bits?

No.  Or rather: only by venturing into the realm of undefined behaviour.

For starters, you don't even get to know that an unsigned in _has_ 
separate upper and lower 16 bit parts to be written to.  It could be a 
16-bit integer.
-- 
comp.lang.c.moderated - moderation address: clcm@[EMAIL PROTECTED]
 -- you must
have an appropriate newsgroups line in your header for your mail to be
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or the newsgroup name in square brackets in the subject line.  Sorry.
 




 5 Posts in Topic:
Pointer to an individual bit?
sigmacunfu <sigmacunfu  2008-01-12 16:45:54 
Re: Pointer to an individual bit?
=?ISO-8859-1?Q?Hans-Bernh  2008-01-14 12:49:50 
Re: Pointer to an individual bit?
smartwhizguy_t@[EMAIL PRO  2008-02-17 12:04:47 
Re: Pointer to an individual bit?
Jack Klein <jackklein@  2008-01-14 12:49:28 
Re: Pointer to an individual bit?
Minimiscience <minimis  2008-01-14 12:50:29 

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tan12V112 Sat Jul 26 3:41:02 CDT 2008.