Re: Struct introspection or information

FROM : Steve Christensen
DATE : Tue Nov 06 02:53:22 2007

I may have misunderstood, but I thought the OP mentioned not having 
access to the headers that define certain C structs. If that's the 
case, we're talking about opaque structures from the point of view of 
the caller, right?


On Nov 5, 2007, at 4:34 PM, David Spooner wrote:

>
> You might get some mileage out of the @encode() directive.  It 
> produces a c-string encoding of a c type, which (with significant 
> effort) can be parsed in order to traverse a c structure of that 
> type.  These encodings do not contain the field names of 
> structures, but they often contain structure tag names...
>
> More information is available in the section "Type Encodings" of
> The Objective-C 2.0 Programming Language
>
> dave
>
> On 5-Nov-07, at 1:33 PM, Monitus wrote:
>

>> Good day everyone - sorry if this is not totally Cocoa-related: if 
>> there's a better list for this, please let me know and accept my 
>> apologies in advance...
>>
>> Is there any way to know the fields in a C structure, if you don't 
>> have the headers that define it? Or at the very least, is it 
>> possible to access it's field values?
>>
>> Thanks!
>>
>> Jean Le Clerc.