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Lines 97-103
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* Given a file address, determine the block number it represents. |
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* Given a file address, determine the block number it represents. |
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*/ |
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*/ |
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#define blockof(off) ((int) ((off) / 4096)) |
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#define blockof(off) ((int) ((off) / 4096)) |
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#define offsetof(off) ((int) ((off) % 4096)) |
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#define offsetofmailx(off) ((int) ((off) % 4096)) |
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#define positionof(block, offset) ((off_t)(block) * 4096 + (offset)) |
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#define positionof(block, offset) ((off_t)(block) * 4096 + (offset)) |
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/* |
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/* |