www.pudn.com > truecrypt.zip > CRC.H, change:2004-01-31,size:469b

/* Copyright (C) 2004 TrueCrypt Team, truecrypt.org 
   This product uses components written by Paul Le Roux  */ 
 
extern unsigned long crc_32_tab[]; 
 
#define UPDC32(octet, crc)\ 
  (unsigned long)((crc_32_tab[(((unsigned long)(crc)) ^ ((unsigned char)(octet))) & 0xff] ^ (((unsigned long)(crc)) >> 8))) 
 
unsigned long crc32 (unsigned char *data, int length); 
unsigned long crc32long (unsigned long *data); 
int crc32_selftest (void);