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693 user890104 1 
/*
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 * CRC32 functions
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 * Based on public domain implementation by Finn Yannick Jacobs.
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 */
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#ifndef _CRC32_H_
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#define _CRC32_H_
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#include <stdint.h>
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#define CRC32_DEFAULT_SEED 0xffffffff
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/* Calculate crc32.
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 * Standard seed is 0xffffffff or 0.
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 * Some implementations xor result with 0xffffffff after calculation.
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 */
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uint32_t crc32 (void *data, unsigned int len, uint32_t seed);
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/* Calculate crc32table */
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void crc32_init();
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#endif