?? crc32.h
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/* * $Id: crc32.h,v 1.1.1.1 2002/03/28 00:02:10 andrew_belov Exp $ * --------------------------------------------------------------------------- * Interface to the CRC32 module. * */#ifndef CRC32_INCLUDED#define CRC32_INCLUDED/* The following are externals exported from assembly-language routines: */extern unsigned long crc32term;#ifdef TILED extern unsigned short crc32tab_lo[256]; extern unsigned short crc32tab_hi[256];#else extern unsigned long crc32tab[256];#endif/* Platform-independent CRC macro */#ifdef TILED #define get_crc32tab(i) ((((unsigned long)crc32tab_hi[i])<<16L)+(unsigned long)crc32tab_lo[i])#else #define get_crc32tab(i) crc32tab[i]#endif/* Prototypes */void build_crc32_table();void crc32_for_block(char *block, unsigned int size);void crc32_for_string(char *str);unsigned long crc32_for_char(unsigned long crc32_term, unsigned char c);unsigned long rev_crc32_for_char(unsigned long crc32_term, unsigned char c);unsigned long afl_mul(unsigned long term, unsigned long multiplier);#endif?? 快捷鍵說(shuō)明
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