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   ocr: structure of an I upenvoc Heap Block Jens Alfke = 4 October1994 For help with debugging, There elucidate the in-memory structure of a block in an OpenDoc heap. You shouldneverely on any of this intormation in your code, but it can be very useful to know when your re poking around in memory, or when OpenDo warns you of a memory related error. The primary stuff in a heap block is, of course, the data that the user of the block str there. But there are various headers stored immediately betore and after this data. Before the data comes thelock headahe block cushion pretnd the heap pointeatter the ...