Date: Fri, 30 Mar 2001 10:37:28 -0500 (EST) From: Lord Isildur <mrfusion@umbar.vaxpower.org> To: John Franklin <franklin@elfie.org> Cc: tech-kern@netbsd.org, freebsd-hackers@FreeBSD.ORG Subject: Re: Question regarding the array of size 0. Message-ID: <Pine.3.89.10103301045.B22782-0100000@umbar> In-Reply-To: <20010330101929.B24999@elfie.org>
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sine one knows the size of the struct, who need the pointer? just
take the displacement.
char* buf; /* some buffer */
struct foo{
int header;
struct funkystruct blah;
};
(struct foo*)buf; /*your headers are here */
(struct foo*)buf+1; /* and your data is here */
Isildur
On Fri, 30 Mar 2001, John Franklin wrote:
>
> You can then read in a block of memory from a file or socket, cast the
> buffer to that data type and have the header and data all accessable
> via the same structure while leaving the sizeof(struct foo) equal
> to the header's size.
>
> jf
> --
> John Franklin
> franklin@elfie.org
> ICBM: N37 12'54", W80 27'14" Z+2100'
>
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