Groups > comp.lang.c > #61984

Re: C struct compatibility when they have the same initial members

From	Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups	comp.lang.c
Subject	Re: C struct compatibility when they have the same initial members
Date	2015-05-14 11:27 +0100
Organization	A noiseless patient Spider
Message-ID	<87fv6z4fpi.fsf@bsb.me.uk> (permalink)
References	<miv94g$qme$1@dont-email.me> <mj0u18$t0k$1@reader1.panix.com> <mj1i0i$i2p$1@dont-email.me> <87oaln4fxh.fsf@bsb.me.uk>

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Ben Bacarisse <ben.usenet@bsb.me.uk> writes:
<snip>
> If you put all the types into a union you can have the next and prev
> pointers be to that union type which make for simple cast-free
> accesses

Which I see you are already doing.  That's the way to go in my opinion.

-- 
Ben.

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C struct compatibility when they have the same initial members "James Harris" <james.harris.1@gmail.com> - 2015-05-13 11:31 +0100
  Re: C struct compatibility when they have the same initial members Johann Klammer <klammerj@NOSPAM.a1.net> - 2015-05-13 17:17 +0200
  Re: C struct compatibility when they have the same initial members James Kuyper <jameskuyper@verizon.net> - 2015-05-13 12:25 -0400
    Re: C struct compatibility when they have the same initial members Ian Collins <ian-news@hotmail.com> - 2015-05-14 14:33 +1200
    Re: C struct compatibility when they have the same initial members "James Harris" <james.harris.1@gmail.com> - 2015-05-14 08:04 +0100
      Re: C struct compatibility when they have the same initial members James Kuyper <jameskuyper@verizon.net> - 2015-05-15 00:19 -0400
        Re: C struct compatibility when they have the same initial members "James Harris" <james.harris.1@gmail.com> - 2015-05-15 21:32 +0100
          Re: C struct compatibility when they have the same initial members James Kuyper <jameskuyper@verizon.net> - 2015-05-15 17:11 -0400
            Re: C struct compatibility when they have the same initial members Keith Thompson <kst-u@mib.org> - 2015-05-15 15:27 -0700
  Re: C struct compatibility when they have the same initial members Barry Schwarz <schwarzb@dqel.com> - 2015-05-13 11:22 -0700
  Re: C struct compatibility when they have the same initial members pa@see.signature.invalid (Pierre Asselin) - 2015-05-14 01:33 +0000
    Re: C struct compatibility when they have the same initial members "James Harris" <james.harris.1@gmail.com> - 2015-05-14 08:15 +0100
      Re: C struct compatibility when they have the same initial members Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-14 11:22 +0100
        Re: C struct compatibility when they have the same initial members Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-14 11:27 +0100

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