From: Nate Eldredge Newsgroups: comp.os.msdos.djgpp Subject: Re: advance in allocated memory by 1 byte only Date: 28 May 2000 23:33:28 -0700 Organization: Posted via Supernews, http://www.supernews.com Lines: 19 Sender: nate AT mercury DOT bitbucket Message-ID: <83ya4tx3uv.fsf@mercury.bitbucket> References: <01BFC967 DOT 2C9F11E0 AT LEON DOT caresystems DOT com DOT au> X-Complaints-To: newsabuse AT supernews DOT com User-Agent: Gnus/5.0802 (Gnus v5.8.2) Emacs/20.5 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Leon writes: > Hello > i know one can use pointer arithmetic to advance the read/write location in memory allocated by malloc for example... > > Now since the sizeof char is 1 byte - it is possible to use a pointer to char when moving 1 byte at a time. > > but what about systems that may have different sizeof char (ie != 1 byte) > > how would one then be able to move through a memory block by 1 byte only? I believe sizeof(char) is defined to be 1. So that is always the smallest amount by which you can move things. (However, on some systems, that may not be 1 byte; it may be 1 word, for instance.) -- Nate Eldredge neldredge AT hmc DOT edu