Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!zaphod.mps.ohio-state.edu!wuarchive!rex!ukma!seismo!dimacs.rutgers.edu!rutgers!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: finding offset of a member in C structures
Message-ID: <16211@smoke.brl.mil>
Date: 21 May 91 02:48:23 GMT
References: <1276@unisql.UUCP> <16194@smoke.brl.mil> <1991May20.212338.24349@thyme.jpl.nasa.gov>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 13

In article <1991May20.212338.24349@thyme.jpl.nasa.gov> kaleb@thyme.jpl.nasa.gov (Kaleb Keithley) writes:
>In article <16194@smoke.brl.mil> gwyn@smoke.brl.mil (Doug Gwyn) writes:
>>In article <1276@unisql.UUCP> pckim@unisql.UUCP (Pyung-Chul Kim) writes:
>>-can I get the offset of member2 at *compiling time* and *portably* ?
>>Yes, but you shouldn't very often need to do so.
>Opinion or Fact?

Both.

>Here's how *they* do in the X Window System.  I expect it's about as
>portable as anything gets.

Wrong!  I posted a portable method.