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From: berg@marvin.e17.physik.tu-muenchen.de (Stephen R. van den Berg)
Newsgroups: comp.lang.c
Subject: Re: Pointer and integer addition
Message-ID: <4205@rwthinf.UUCP>
Date: 11 Apr 91 10:49:44 GMT
References: <8334@umd5.umd.edu> <15631@smoke.brl.mil>
Sender: news@rwthinf.UUCP
Lines: 15

In article <15631@smoke.brl.mil> gwyn@smoke.brl.mil (Doug Gwyn) writes:
>In article <8334@umd5.umd.edu> dzoey@terminus.umd.edu (Joe Herman) writes:
>>fooptr = (char *) fooptr + fooptr->recsize;

>This (almost) should have worked.  You also need to convert back to
>the proper pointer type before the assignment:

>	fooptr = (struct foo *) ((char *) fooptr + fooptr->recsize);

No, not needed, the cast is implicit.
--
Sincerely,                 berg@marvin.e17.physik.tu-muenchen.de
           Stephen R. van den Berg.
"I code it in 5 min, optimize it in 90 min, because it's so well optimized:
it runs in only 5 min.  Actually, most of the time I optimize programs."