cast a C char array - offset ?

[ketmar via Digitalmars-d-learn]

On Mon, 02 Feb 2015 13:32:57 +0000, ketmar wrote:

> On Mon, 02 Feb 2015 13:23:23 +0000, irtcupc wrote:
> 
>> my current understanding is that:
>> - C: char CompleteInstr[INSTRUCT_LENGTH] is actually a raw chunk - D:
>> defining the member as char[INSTRUCT_LENGTH] is an error - the first
>> member of a D array is the .length - first char actually stands where
>> .length uses to be, which explains the shift.
> 
> nope. fixed length arrays doesn't have dedicated `.length` member. try
> this:
> 
>   align(1)
>   struct _Disasm {
>   align(1):
>     ...

actually, first align is not necessary at all. i.e.:

  struct _Disasm {
  align(1):

the difference is that `align` before struct tells how structure should 
be packed (i.e. when you have `_Disasm[2] arr`). and `align` *inside* 
struct tells compiler how struct *members* should be packed.
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