/*----------------------------------------------------------------------*/
/*              File I/O module for LHarc UNIX                          */
/*              This is part of LHarc UNIX Archiver Driver              */
/*                                                                      */
/*              Copyright(C) MCMLXXXIX  Yooichi.Tagawa                  */
/*                                                                      */
/*  V0.00  Original                             1989.06.25  Y.Tagawa    */
/*  V0.03  Release #3  Beta Version             1989.07.02  Y.Tagawa    */
/*  V1.00  Fixed                                1989.09.22  Y.Tagawa    */
/*----------------------------------------------------------------------*/

extern int              text_mode;

extern unsigned int     crc_table[0x100];
extern unsigned int     crc_value;
extern int              crc_getc_cashe;
extern FILE             *crc_infile, *crc_outfile;
extern long             crc_size;


#define CRC_CHAR(c)                                             \
{ register unsigned int ctmp = crc_value ^ c;                   \
    crc_value = (ctmp >> 8) ^ crc_table [ ctmp & 0xff ]; }