Re: Structure Rupture aka eh?

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pigeonrandle@xxxxxxxxxxx wrote:
> Hello.
>
> Please can somebody tell me why this stucture definition is the 'way it
> is'?
>
> typedef struct BLOCK_CHECKSUM_STATE
> {
> ULONG Unknown;
> ULONG64 BaseAddress;
> ULONG BlockSize;
> ULONG Checksum;
> } BLOCK_CHECKSUM_STATE, *PBLOCK_CHECKSUM_STATE;
>
> i.e. the "*PBLOCK_CHECKSUM_STATE" being an extra argument than i am
> used to seeing. Is it just a way of aliasing a pointer to
> BLOCK_CHECKSUM_STATE as PBLOCK_CHECKSUM_STATE?
>

That's the C-way of saying:

struct BLOCK_CHECKSUM_STATE
{
ULONG Unknown;
ULONG64 BaseAddress;
ULONG BlockSize;
ULONG Checksum;
};
typedef BLOCK_CHECKSUM_STATE* PBLOCK_CHECKSUM_STATE;

/S
--
Stefan Naewe
naewe.s_AT_atlas_DOT_de
.

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