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diff --git a/libs/watt32/net/ppp-comp.h b/libs/watt32/net/ppp-comp.h
new file mode 100644
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+++ b/libs/watt32/net/ppp-comp.h
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+/*!\file net/ppp-comp.h
+ * PPP compression.
+ */
+
+/*      $NetBSD: ppp-comp.h,v 1.3 1997/03/12 20:26:55 christos Exp $    */
+
+/*
+ * ppp-comp.h - Definitions for doing PPP packet compression.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, provided that the above copyright
+ * notice appears in all copies.  This software is provided without any
+ * warranty, express or implied. The Australian National University
+ * makes no representations about the suitability of this software for
+ * any purpose.
+ *
+ * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
+ * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
+ * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
+ * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
+ * OR MODIFICATIONS.
+ *
+ * Id: ppp-comp.h,v 1.10 1996/09/26 06:30:11 paulus Exp
+ */
+
+#ifndef __NET_PPP_COMP_H
+#define __NET_PPP_COMP_H
+
+/*
+ * The following symbols control whether we include code for
+ * various compression methods.
+ */
+#ifndef DO_BSD_COMPRESS
+#define DO_BSD_COMPRESS	1	/* by default, include BSD-Compress */
+#endif
+
+#ifndef DO_DEFLATE
+#define DO_DEFLATE	1	/* by default, include Deflate */
+#endif
+
+#define DO_PREDICTOR_1	0
+#define DO_PREDICTOR_2	0
+
+/*
+ * Structure giving methods for compression/decompression.
+ */
+#ifdef PACKETPTR
+struct compressor {
+       int     compress_proto; /* CCP compression protocol number */
+
+       /* Allocate space for a compressor (transmit side) */
+       void    *(*comp_alloc) (u_char *options, int opt_len);
+
+       /* Free space used by a compressor */
+       void    (*comp_free) (void *state);
+
+       /* Initialize a compressor */
+       int     (*comp_init) (void *state, u_char *options, int opt_len,
+                             int unit, int hdrlen, int debug);
+       /* Reset a compressor */
+       void    (*comp_reset) (void *state);
+
+       /* Compress a packet */
+       int     (*compress) (void *state, PACKETPTR *mret,
+                            PACKETPTR mp, int orig_len, int max_len);
+
+       /* Return compression statistics */
+       void    (*comp_stat) (void *state, struct compstat *stats);
+
+       /* Allocate space for a decompressor (receive side) */
+       void    *(*decomp_alloc) (u_char *options, int opt_len);
+
+       /* Free space used by a decompressor */
+       void    (*decomp_free) (void *state);
+
+       /* Initialize a decompressor */
+       int     (*decomp_init) (void *state, u_char *options, int opt_len,
+                               int unit, int hdrlen, int mru, int debug);
+       /* Reset a decompressor */
+       void    (*decomp_reset) (void *state);
+
+       /* Decompress a packet. */
+       int     (*decompress) (void *state, PACKETPTR mp, PACKETPTR *dmpp);
+
+       /* Update state for an incompressible packet received */
+       void    (*incomp) (void *state, PACKETPTR mp);
+
+       /* Return decompression statistics */
+       void    (*decomp_stat) (void *state, struct compstat *stats);
+};
+#endif /* PACKETPTR */
+
+/*
+ * Return values for decompress routine.
+ * We need to make these distinctions so that we can disable certain
+ * useful functionality, namely sending a CCP reset-request as a result
+ * of an error detected after decompression.  This is to avoid infringing
+ * a patent held by Motorola.
+ * Don't you just lurve software patents.
+ */
+#define DECOMP_OK		0	/* everything went OK */
+#define DECOMP_ERROR		1	/* error detected before decomp. */
+#define DECOMP_FATALERROR	2	/* error detected after decomp. */
+
+/*
+ * CCP codes.
+ */
+#define CCP_CONFREQ	1
+#define CCP_CONFACK	2
+#define CCP_TERMREQ	5
+#define CCP_TERMACK	6
+#define CCP_RESETREQ	14
+#define CCP_RESETACK	15
+
+/*
+ * Max # bytes for a CCP option
+ */
+#define CCP_MAX_OPTION_LENGTH	32
+
+/*
+ * Parts of a CCP packet.
+ */
+#define CCP_CODE(dp)		((dp)[0])
+#define CCP_ID(dp)		((dp)[1])
+#define CCP_LENGTH(dp)		(((dp)[2] << 8) + (dp)[3])
+#define CCP_HDRLEN		4
+
+#define CCP_OPT_CODE(dp)	((dp)[0])
+#define CCP_OPT_LENGTH(dp)	((dp)[1])
+#define CCP_OPT_MINLEN		2
+
+/*
+ * Definitions for BSD-Compress.
+ */
+#define CI_BSD_COMPRESS		21	/* config. option for BSD-Compress */
+#define CILEN_BSD_COMPRESS	3	/* length of config. option */
+
+/* Macros for handling the 3rd byte of the BSD-Compress config option. */
+#define BSD_NBITS(x)		((x) & 0x1F)	/* number of bits requested */
+#define BSD_VERSION(x)		((x) >> 5)	/* version of option format */
+#define BSD_CURRENT_VERSION	1		/* current version number */
+#define BSD_MAKE_OPT(v, n)	(((v) << 5) | (n))
+
+#define BSD_MIN_BITS		9	/* smallest code size supported */
+#define BSD_MAX_BITS		15	/* largest code size supported */
+
+/*
+ * Definitions for Deflate.
+ */
+#define CI_DEFLATE		24	/* config option for Deflate */
+#define CILEN_DEFLATE		4	/* length of its config option */
+
+#define DEFLATE_MIN_SIZE	8
+#define DEFLATE_MAX_SIZE	15
+#define DEFLATE_METHOD_VAL	8
+#define DEFLATE_SIZE(x)		(((x) >> 4) + DEFLATE_MIN_SIZE)
+#define DEFLATE_METHOD(x)	((x) & 0x0F)
+#define DEFLATE_MAKE_OPT(w)	((((w) - DEFLATE_MIN_SIZE) << 4) \
+				 + DEFLATE_METHOD_VAL)
+#define DEFLATE_CHK_SEQUENCE	0
+
+/*
+ * Definitions for other, as yet unsupported, compression methods.
+ */
+#define CI_PREDICTOR_1		1	/* config option for Predictor-1 */
+#define CILEN_PREDICTOR_1	2	/* length of its config option */
+#define CI_PREDICTOR_2		2	/* config option for Predictor-2 */
+#define CILEN_PREDICTOR_2	2	/* length of its config option */
+
+#endif