2 * ccp.h - Definitions for PPP Compression Control Protocol.
4 * Copyright (c) 1994 The Australian National University.
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27 * $Id: ccp.h,v 1.3 1994/10/18 02:07:33 paulus Exp $
31 * Compression algorithms = configuration options
33 #define CI_BSD_COMPRESS 0x21 /* BSD Compress */
36 * Extra codes for CCP.
41 typedef struct ccp_options {
42 u_int bsd_compress: 1; /* do BSD Compress? */
43 u_short bsd_bits; /* # bits/code for BSD Compress */
46 #define MIN_BSD_BITS 9
47 #define MAX_BSD_BITS 15
50 extern ccp_options ccp_wantoptions[];
51 extern ccp_options ccp_gotoptions[];
52 extern ccp_options ccp_allowoptions[];
53 extern ccp_options ccp_hisoptions[];
55 void ccp_init __P((int unit));
56 void ccp_open __P((int unit));
57 void ccp_close __P((int unit));
58 void ccp_lowerup __P((int unit));
59 void ccp_lowerdown __P((int));
60 void ccp_input __P((int unit, u_char *pkt, int len));
61 void ccp_protrej __P((int unit));
62 int ccp_printpkt __P((u_char *pkt, int len,
63 void (*printer) __P((void *, char *, ...)),
65 void ccp_datainput __P((int unit, u_char *pkt, int len));