delorie.com/archives/browse.cgi | search |
From: | Nate Eldredge <neldredge AT hmc DOT edu> |
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 |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
Leon <Leon AT caresystems DOT com DOT au> 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
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |