isdn_lzscomp.h
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上传日期:2013-02-24
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- /* $Id: isdn_lzscomp.h,v 1.1.4.1 2001/11/20 14:19:38 kai Exp $
- *
- * Header for isdn_lzscomp.c
- * Concentrated here to not mess up half a dozen kernel headers with code
- * snippets
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
- #define CI_LZS_COMPRESS 17
- #define CILEN_LZS_COMPRESS 5
- #define LZS_CMODE_NONE 0
- #define LZS_CMODE_LCB 1
- #define LZS_CMODE_CRC 2
- #define LZS_CMODE_SEQNO 3 /* MUST be implemented (default) */
- #define LZS_CMODE_EXT 4 /* Seems to be what Win0.95 uses */
- #define LZS_COMP_MAX_HISTS 1 /* Don't waste peers ressources */
- #define LZS_COMP_DEF_HISTS 1 /* Most likely to negotiate */
- #define LZS_DECOMP_MAX_HISTS 32 /* More is really nonsense */
- #define LZS_DECOMP_DEF_HISTS 8 /* If we get it, this may be optimal */
- #define LZS_HIST_BYTE1(word) (word>>8) /* Just for better reading */
- #define LZS_HIST_BYTE2(word) (word&0xff) /* of this big endian stuff */
- #define LZS_HIST_WORD(b1,b2) ((b1<<8)|b2) /* (network byte order rulez) */