[lwip-commits] (no subject)

[Amit Kristal]

Hi

I wish to use the lwip the TI C6203 (TMS320C6000).

What PACK_STRUCT_FIELD , PACK_STRUCT_STRUCT, PACK_STRUCT_END & 
PACK_STRUCT_BEGIN are used for? What is the purpose?  and what are the guide 
lines for implementing it?

I couldn't understand the unix example implementation:
#define PACK_STRUCT_FIELD(x) x __attribute__((packed))
#define PACK_STRUCT_STRUCT __attribute__((packed))
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_END
What are the "__attribute__" and the "packed" types?

Thanks,

               Amit

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