>> >> > why is this not using the state variable from ParseContext ?
>> you really mean i should misuse an existing field?
>> last time you told me NOT to do such things.
I read out of state64 for the signature but not for png chunks.
Inside the for loop is not update of state64.
i prefer to use ppc->chunk_length.
>> true, but if ppc->index == -1 then next is set!