Some more major updates to further superate ucLibc from the kernel

headers (the way it has been done in GNU libc).
 -Erik

13 files changed, 1734 insertions, 73 deletions

diff --git a/include/netinet/ether.h b/include/netinet/ether.h
new file mode 100644
index 000000000..c7985d7ac
--- /dev/null
+++ b/include/netinet/ether.h
@@ -0,0 +1,54 @@
+/* Functions for storing Ethernet addresses in ASCII and mapping to hostnames.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _NETINET_ETHER_H
+#define _NETINET_ETHER_H	1
+
+#include <features.h>
+
+/* Get definition of `struct ether_addr'.  */
+#include <netinet/if_ether.h>
+
+__BEGIN_DECLS
+
+/* Convert 48 bit Ethernet ADDRess to ASCII.  */
+extern char *ether_ntoa __P ((__const struct ether_addr *__addr));
+extern char *ether_ntoa_r __P ((__const struct ether_addr *__addr,
+				char *__buf));
+
+/* Convert ASCII string S to 48 bit Ethernet address.  */
+extern struct ether_addr *ether_aton __P ((__const char *__asc));
+extern struct ether_addr *ether_aton_r __P ((__const char *__asc,
+					     struct ether_addr *__addr));
+
+/* Map 48 bit Ethernet number ADDR to HOSTNAME.  */
+extern int ether_ntohost __P ((char *__hostname,
+			       __const struct ether_addr *__addr));
+
+/* Map HOSTNAME to 48 bit Ethernet address.  */
+extern int ether_hostton __P ((__const char *__hostname,
+			       struct ether_addr *__addr));
+
+/* Scan LINE and set ADDR and HOSTNAME.  */
+extern int ether_line __P ((__const char *__line, struct ether_addr *__addr,
+			    char *__hostname));
+
+__END_DECLS
+
+#endif /* netinet/ether.h */
diff --git a/include/netinet/icmp6.h b/include/netinet/icmp6.h
new file mode 100644
index 000000000..5a3863953
--- /dev/null
+++ b/include/netinet/icmp6.h
@@ -0,0 +1,232 @@
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _NETINET_ICMP6_H
+#define _NETINET_ICMP6_H 1
+
+#include <inttypes.h>
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#define ICMP6_FILTER 1
+
+#define ICMP6_FILTER_BLOCK		1
+#define ICMP6_FILTER_PASS		2
+#define ICMP6_FILTER_BLOCKOTHERS	3
+#define ICMP6_FILTER_PASSONLY		4
+
+struct icmp6_filter
+  {
+    uint32_t data[8];
+  };
+
+struct icmp6_hdr 
+  {
+    uint8_t     icmp6_type;   /* type field */
+    uint8_t     icmp6_code;   /* code field */
+    uint16_t    icmp6_cksum;  /* checksum field */
+    union 
+      {
+	uint32_t  icmp6_un_data32[1]; /* type-specific field */
+	uint16_t  icmp6_un_data16[2]; /* type-specific field */
+	uint8_t   icmp6_un_data8[4];  /* type-specific field */
+      } icmp6_dataun;
+  }; 
+
+#define icmp6_data32    icmp6_dataun.icmp6_un_data32
+#define icmp6_data16    icmp6_dataun.icmp6_un_data16
+#define icmp6_data8     icmp6_dataun.icmp6_un_data8
+#define icmp6_pptr      icmp6_data32[0]  /* parameter prob */
+#define icmp6_mtu       icmp6_data32[0]  /* packet too big */
+#define icmp6_id        icmp6_data16[0]  /* echo request/reply */
+#define icmp6_seq       icmp6_data16[1]  /* echo request/reply */
+#define icmp6_maxdelay  icmp6_data16[0]  /* mcast group membership */
+
+#define ICMP6_DST_UNREACH             1
+#define ICMP6_PACKET_TOO_BIG          2
+#define ICMP6_TIME_EXCEEDED           3
+#define ICMP6_PARAM_PROB              4
+
+#define ICMP6_INFOMSG_MASK  0x80    /* all informational messages */
+
+#define ICMP6_ECHO_REQUEST          128
+#define ICMP6_ECHO_REPLY            129
+#define ICMP6_MEMBERSHIP_QUERY      130
+#define ICMP6_MEMBERSHIP_REPORT     131
+#define ICMP6_MEMBERSHIP_REDUCTION  132
+
+#define ICMP6_DST_UNREACH_NOROUTE     0 /* no route to destination */
+#define ICMP6_DST_UNREACH_ADMIN       1 /* communication with destination */
+                                        /* administratively prohibited */
+#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor */
+#define ICMP6_DST_UNREACH_ADDR        3 /* address unreachable */
+#define ICMP6_DST_UNREACH_NOPORT      4 /* bad port */
+
+#define ICMP6_TIME_EXCEED_TRANSIT     0 /* Hop Limit == 0 in transit */
+#define ICMP6_TIME_EXCEED_REASSEMBLY  1 /* Reassembly time out */
+
+#define ICMP6_PARAMPROB_HEADER        0 /* erroneous header field */
+#define ICMP6_PARAMPROB_NEXTHEADER    1 /* unrecognized Next Header */
+#define ICMP6_PARAMPROB_OPTION        2 /* unrecognized IPv6 option */
+
+#define ICMP6_FILTER_WILLPASS(type, filterp) \
+	((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+
+#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
+	((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+
+#define ICMP6_FILTER_SETPASS(type, filterp) \
+	((((filterp)->data[(type) >> 5]) &= ~(1 << ((type) & 31))))
+
+#define ICMP6_FILTER_SETBLOCK(type, filterp) \
+	((((filterp)->data[(type) >> 5]) |=  (1 << ((type) & 31))))
+
+#define ICMP6_FILTER_SETPASSALL(filterp) \
+	memset (filterp, 0, sizeof (struct icmp6_filter));
+
+#define ICMP6_FILTER_SETBLOCKALL(filterp) \
+	memset (filterp, 0xFF, sizeof (struct icmp6_filter));
+
+#define ND_ROUTER_SOLICIT           133
+#define ND_ROUTER_ADVERT            134
+#define ND_NEIGHBOR_SOLICIT         135
+#define ND_NEIGHBOR_ADVERT          136
+#define ND_REDIRECT                 137
+
+struct nd_router_solicit      /* router solicitation */
+  {
+    struct icmp6_hdr  nd_rs_hdr;
+    /* could be followed by options */
+  };
+
+#define nd_rs_type               nd_rs_hdr.icmp6_type
+#define nd_rs_code               nd_rs_hdr.icmp6_code
+#define nd_rs_cksum              nd_rs_hdr.icmp6_cksum
+#define nd_rs_reserved           nd_rs_hdr.icmp6_data32[0]
+
+struct nd_router_advert       /* router advertisement */
+  {
+    struct icmp6_hdr  nd_ra_hdr;
+    uint32_t   nd_ra_reachable;   /* reachable time */
+    uint32_t   nd_ra_retransmit;  /* retransmit timer */
+    /* could be followed by options */
+  };
+
+#define nd_ra_type               nd_ra_hdr.icmp6_type
+#define nd_ra_code               nd_ra_hdr.icmp6_code
+#define nd_ra_cksum              nd_ra_hdr.icmp6_cksum
+#define nd_ra_curhoplimit        nd_ra_hdr.icmp6_data8[0]
+#define nd_ra_flags_reserved     nd_ra_hdr.icmp6_data8[1]
+#define ND_RA_FLAG_MANAGED       0x80
+#define ND_RA_FLAG_OTHER         0x40
+#define nd_ra_router_lifetime    nd_ra_hdr.icmp6_data16[1]
+
+struct nd_neighbor_solicit    /* neighbor solicitation */
+  {
+    struct icmp6_hdr  nd_ns_hdr;
+    struct in6_addr   nd_ns_target; /* target address */
+    /* could be followed by options */
+  };
+
+#define nd_ns_type               nd_ns_hdr.icmp6_type
+#define nd_ns_code               nd_ns_hdr.icmp6_code
+#define nd_ns_cksum              nd_ns_hdr.icmp6_cksum
+#define nd_ns_reserved           nd_ns_hdr.icmp6_data32[0]
+
+struct nd_neighbor_advert     /* neighbor advertisement */
+  {
+    struct icmp6_hdr  nd_na_hdr;
+    struct in6_addr   nd_na_target; /* target address */
+    /* could be followed by options */
+  };
+
+#define nd_na_type               nd_na_hdr.icmp6_type
+#define nd_na_code               nd_na_hdr.icmp6_code
+#define nd_na_cksum              nd_na_hdr.icmp6_cksum
+#define nd_na_flags_reserved     nd_na_hdr.icmp6_data32[0]
+#if     BYTE_ORDER == BIG_ENDIAN
+#define ND_NA_FLAG_ROUTER        0x80000000
+#define ND_NA_FLAG_SOLICITED     0x40000000
+#define ND_NA_FLAG_OVERRIDE      0x20000000
+#else   /* BYTE_ORDER == LITTLE_ENDIAN */
+#define ND_NA_FLAG_ROUTER        0x00000080
+#define ND_NA_FLAG_SOLICITED     0x00000040
+#define ND_NA_FLAG_OVERRIDE      0x00000020
+#endif
+
+struct nd_redirect            /* redirect */
+  {
+    struct icmp6_hdr  nd_rd_hdr;
+    struct in6_addr   nd_rd_target; /* target address */
+    struct in6_addr   nd_rd_dst;    /* destination address */
+    /* could be followed by options */
+  };
+ 
+#define nd_rd_type               nd_rd_hdr.icmp6_type
+#define nd_rd_code               nd_rd_hdr.icmp6_code
+#define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
+#define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]
+
+struct nd_opt_hdr             /* Neighbor discovery option header */
+  {
+    uint8_t  nd_opt_type;
+    uint8_t  nd_opt_len;        /* in units of 8 octets */
+    /* followed by option specific data */
+  };
+
+#define  ND_OPT_SOURCE_LINKADDR       1
+#define  ND_OPT_TARGET_LINKADDR       2
+#define  ND_OPT_PREFIX_INFORMATION    3
+#define  ND_OPT_REDIRECTED_HEADER     4
+#define  ND_OPT_MTU                   5
+
+struct nd_opt_prefix_info     /* prefix information */
+  {
+    uint8_t   nd_opt_pi_type;
+    uint8_t   nd_opt_pi_len;
+    uint8_t   nd_opt_pi_prefix_len;
+    uint8_t   nd_opt_pi_flags_reserved;
+    uint32_t  nd_opt_pi_valid_time;
+    uint32_t  nd_opt_pi_preferred_time;
+    uint32_t  nd_opt_pi_reserved2;
+    struct in6_addr  nd_opt_pi_prefix;
+  };
+
+#define ND_OPT_PI_FLAG_ONLINK        0x80
+#define ND_OPT_PI_FLAG_AUTO          0x40
+
+struct nd_opt_rd_hdr          /* redirected header */
+  {
+    uint8_t   nd_opt_rh_type;
+    uint8_t   nd_opt_rh_len;
+    uint16_t  nd_opt_rh_reserved1;
+    uint32_t  nd_opt_rh_reserved2;
+    /* followed by IP header and data */
+  };
+
+struct nd_opt_mtu             /* MTU option */
+  {
+    uint8_t   nd_opt_mtu_type;
+    uint8_t   nd_opt_mtu_len;
+    uint16_t  nd_opt_mtu_reserved;
+    uint32_t  nd_opt_mtu_mtu;
+  };
+
+
+#endif /* netinet/icmpv6.h */
diff --git a/include/netinet/if_ether.h b/include/netinet/if_ether.h
new file mode 100644
index 000000000..7194490f5
--- /dev/null
+++ b/include/netinet/if_ether.h
@@ -0,0 +1,109 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef __NETINET_IF_ETHER_H
+
+#define __NETINET_IF_ETHER_H	1
+#include <features.h>
+#include <sys/types.h>
+
+/* Get definitions from kernel header file.  */
+#include <linux/if_ether.h>
+
+#ifdef __USE_BSD
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)if_ether.h	8.3 (Berkeley) 5/2/95
+ *	$FreeBSD$
+ */
+
+#include <net/ethernet.h>
+#include <net/if_arp.h>
+
+__BEGIN_DECLS
+/*
+ * Ethernet Address Resolution Protocol.
+ *
+ * See RFC 826 for protocol description.  Structure below is adapted
+ * to resolving internet addresses.  Field names used correspond to
+ * RFC 826.
+ */
+struct	ether_arp {
+	struct	arphdr ea_hdr;		/* fixed-size header */
+	u_int8_t arp_sha[ETH_ALEN];	/* sender hardware address */
+	u_int8_t arp_spa[4];		/* sender protocol address */
+	u_int8_t arp_tha[ETH_ALEN];	/* target hardware address */
+	u_int8_t arp_tpa[4];		/* target protocol address */
+};
+#define	arp_hrd	ea_hdr.ar_hrd
+#define	arp_pro	ea_hdr.ar_pro
+#define	arp_hln	ea_hdr.ar_hln
+#define	arp_pln	ea_hdr.ar_pln
+#define	arp_op	ea_hdr.ar_op
+
+/*
+ * Macro to map an IP multicast address to an Ethernet multicast address.
+ * The high-order 25 bits of the Ethernet address are statically assigned,
+ * and the low-order 23 bits are taken from the low end of the IP address.
+ */
+#define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \
+	/* struct in_addr *ipaddr; */ \
+	/* u_char enaddr[ETH_ALEN];	   */ \
+{ \
+	(enaddr)[0] = 0x01; \
+	(enaddr)[1] = 0x00; \
+	(enaddr)[2] = 0x5e; \
+	(enaddr)[3] = ((u_int8_t *)ipaddr)[1] & 0x7f; \
+	(enaddr)[4] = ((u_int8_t *)ipaddr)[2]; \
+	(enaddr)[5] = ((u_int8_t *)ipaddr)[3]; \
+}
+
+__END_DECLS
+#endif /* __USE_BSD */
+
+#endif /* netinet/if_ether.h */
diff --git a/include/netinet/if_fddi.h b/include/netinet/if_fddi.h
new file mode 100644
index 000000000..d5d6dbdbe
--- /dev/null
+++ b/include/netinet/if_fddi.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _NETINET_IF_FDDI_H
+#define	_NETINET_IF_FDDI_H 1
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <asm/types.h>
+
+#include <linux/if_fddi.h>
+
+#ifdef __USE_BSD
+
+struct fddi_header {
+  u_int8_t fddi_fc;                    /* Frame Control (FC) value */
+  u_int8_t fddi_dhost[FDDI_K_ALEN];    /* Destination host */
+  u_int8_t fddi_shost[FDDI_K_ALEN];    /* Source host */
+};
+#endif
+
+#endif	/* netinet/if_fddi.h */
diff --git a/include/netinet/if_tr.h b/include/netinet/if_tr.h
new file mode 100644
index 000000000..3c1be2102
--- /dev/null
+++ b/include/netinet/if_tr.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _NETINET_IF_TR_H
+#define	_NETINET_IF_TR_H 1
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <asm/types.h>
+
+#include <linux/if_tr.h>
+
+#ifdef __USE_BSD
+
+struct trn_hdr {
+  u_int8_t trn_ac;                /* access control field */
+  u_int8_t trn_fc;                /* field control field */
+  u_int8_t trn_dhost[TR_ALEN];    /* destination host */
+  u_int8_t trn_shost[TR_ALEN];    /* source host */
+  u_int16_t trn_rcf;              /* route control field */
+  u_int16_t trn_rseg[8];          /* routing registers */
+};
+
+#endif
+
+#endif	/* netinet/if_tr.h */
diff --git a/include/netinet/igmp.h b/include/netinet/igmp.h
index 4525630e1..7a6ed6e8c 100644
--- a/include/netinet/igmp.h
+++ b/include/netinet/igmp.h
@@ -1,24 +1,93 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
 #ifndef _NETINET_IGMP_H
-#define _NETINET_IGMP_H
+#define	_NETINET_IGMP_H 1
 
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <asm/types.h>
 #include <linux/igmp.h>
 
-#ifdef __BSD_SOURCE
+#ifdef __USE_BSD
+
+#include <netinet/in.h>
+
+__BEGIN_DECLS
+
+/*
+ * Copyright (c) 1988 Stephen Deering.
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Stephen Deering of Stanford University.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)igmp.h	8.1 (Berkeley) 6/10/93
+ *	$FreeBSD$
+ */
 
-struct igmp
-{
-	__u8 igmp_type;
-	__u8 igmp_code;
-	__u16 igmp_cksum;
-	struct in_addr igmp_group;
+struct igmp {
+  u_int8_t igmp_type;             /* IGMP type */
+  u_int8_t igmp_code;             /* routing code */
+  u_int16_t igmp_cksum;           /* checksum */
+  struct in_addr igmp_group;      /* group address */
 };
 
-#define IGMP_MINLEN 			8
-#define IGMP_MAX_HOST_REPORT_DELAY	10
-#define IGMP_TIMER_SCALE		10
+/*
+ * Message types, including version number.
+ */
+#define IGMP_MEMBERSHIP_QUERY   	0x11	/* membership query         */
+#define IGMP_V1_MEMBERSHIP_REPORT	0x12	/* Ver. 1 membership report */
+#define IGMP_V2_MEMBERSHIP_REPORT	0x16	/* Ver. 2 membership report */
+#define IGMP_V2_LEAVE_GROUP		0x17	/* Leave-group message	    */
 
-#define IGMP_AGE_THRESHOLD		540
+__END_DECLS
 
 #endif
 
-#endif /* _NETINET_IGMP_H */
+#endif	/* netinet/igmp.h */
diff --git a/include/netinet/in.h b/include/netinet/in.h
index d666c67ac..3dea92632 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -1,29 +1,66 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with the GNU C Library; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #ifndef	_NETINET_IN_H
-
 #define	_NETINET_IN_H	1
+
 #include <features.h>
+#include <limits.h>
+#include <stdint.h>
+
+#include <sys/types.h>
+#include <bits/socket.h>
 
-#include <sys/socket.h>
 
 __BEGIN_DECLS
 
+/* Standard well-defined IP protocols.  */
+enum
+  {
+    IPPROTO_IP = 0,	   /* Dummy protocol for TCP.  */
+    IPPROTO_HOPOPTS = 0,   /* IPv6 Hop-by-Hop options.  */
+    IPPROTO_ICMP = 1,	   /* Internet Control Message Protocol.  */
+    IPPROTO_IGMP = 2,	   /* Internet Group Management Protocol. */
+    IPPROTO_IPIP = 4,	   /* IPIP tunnels (older KA9Q tunnels use 94).  */
+    IPPROTO_TCP = 6,	   /* Transmission Control Protocol.  */
+    IPPROTO_EGP = 8,	   /* Exterior Gateway Protocol.  */
+    IPPROTO_PUP = 12,	   /* PUP protocol.  */
+    IPPROTO_UDP = 17,	   /* User Datagram Protocol.  */
+    IPPROTO_IDP = 22,	   /* XNS IDP protocol.  */
+    IPPROTO_TP = 29,	   /* SO Transport Protocol Class 4.  */
+    IPPROTO_IPV6 = 41,     /* IPv6 header.  */
+    IPPROTO_ROUTING = 43,  /* IPv6 routing header.  */
+    IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header.  */
+    IPPROTO_RSVP = 46,	   /* Reservation Protocol.  */
+    IPPROTO_GRE = 47,	   /* General Routing Encapsulation.  */
+    IPPROTO_ESP = 50,      /* encapsulating security payload.  */
+    IPPROTO_AH = 51,       /* authentication header.  */
+    IPPROTO_ICMPV6 = 58,   /* ICMPv6.  */
+    IPPROTO_NONE = 59,     /* IPv6 no next header.  */
+    IPPROTO_DSTOPTS = 60,  /* IPv6 destination options.  */
+    IPPROTO_MTP = 92,	   /* Multicast Transport Protocol.  */
+    IPPROTO_ENCAP = 98,	   /* Encapsulation Header.  */
+    IPPROTO_PIM = 103,	   /* Protocol Independent Multicast.  */
+    IPPROTO_COMP = 108,	   /* Compression Header Protocol.  */
+    IPPROTO_RAW = 255,	   /* Raw IP packets.  */
+    IPPROTO_MAX
+  };
+
 /* Standard well-known ports.  */
 enum
   {
@@ -65,23 +102,217 @@ enum
   };
 
 
-/* Link numbers.  */
-#define	IMPLINK_IP		155
-#define	IMPLINK_LOWEXPER	156
-#define	IMPLINK_HIGHEXPER	158
+/* Internet address.  */
+struct in_addr
+  {
+    uint32_t s_addr;
+  };
+
+
+/* Definitions of the bits in an Internet address integer.
+
+   On subnets, host and network parts are found according to
+   the subnet mask, not these masks.  */
+
+#define	IN_CLASSA(a)		((((uint32_t) (a)) & 0x80000000) == 0)
+#define	IN_CLASSA_NET		0xff000000
+#define	IN_CLASSA_NSHIFT	24
+#define	IN_CLASSA_HOST		(0xffffffff & ~IN_CLASSA_NET)
+#define	IN_CLASSA_MAX		128
+
+#define	IN_CLASSB(a)		((((uint32_t) (a)) & 0xc0000000) == 0x80000000)
+#define	IN_CLASSB_NET		0xffff0000
+#define	IN_CLASSB_NSHIFT	16
+#define	IN_CLASSB_HOST		(0xffffffff & ~IN_CLASSB_NET)
+#define	IN_CLASSB_MAX		65536
+
+#define	IN_CLASSC(a)		((((uint32_t) (a)) & 0xe0000000) == 0xc0000000)
+#define	IN_CLASSC_NET		0xffffff00
+#define	IN_CLASSC_NSHIFT	8
+#define	IN_CLASSC_HOST		(0xffffffff & ~IN_CLASSC_NET)
+
+#define	IN_CLASSD(a)		((((uint32_t) (a)) & 0xf0000000) == 0xe0000000)
+#define	IN_MULTICAST(a)		IN_CLASSD(a)
+
+#define	IN_EXPERIMENTAL(a)	((((uint32_t) (a)) & 0xe0000000) == 0xe0000000)
+#define	IN_BADCLASS(a)		((((uint32_t) (a)) & 0xf0000000) == 0xf0000000)
+
+/* Address to accept any incoming messages.  */
+#define	INADDR_ANY		((uint32_t) 0x00000000)
+/* Address to send to all hosts.  */
+#define	INADDR_BROADCAST	((uint32_t) 0xffffffff)
+/* Address indicating an error return.  */
+#define	INADDR_NONE		((uint32_t) 0xffffffff)
+
+/* Network number for local host loopback.  */
+#define	IN_LOOPBACKNET		127
+/* Address to loopback in software to local host.  */
+#ifndef INADDR_LOOPBACK
+# define INADDR_LOOPBACK	((uint32_t) 0x7f000001)	/* Inet 127.0.0.1.  */
+#endif
+
+/* Defines for Multicast INADDR.  */
+#define INADDR_UNSPEC_GROUP	((uint32_t) 0xe0000000)      /* 224.0.0.0 */
+#define INADDR_ALLHOSTS_GROUP	((uint32_t) 0xe0000001)      /* 224.0.0.1 */
+#define INADDR_ALLRTRS_GROUP    ((uint32_t) 0xe0000002)      /* 224.0.0.2 */
+#define INADDR_MAX_LOCAL_GROUP  ((uint32_t) 0xe00000ff)      /* 224.0.0.255 */
+
+
+/* IPv6 address */
+struct in6_addr
+  {
+    union
+      {
+	uint8_t		u6_addr8[16];
+	uint16_t	u6_addr16[8];
+	uint32_t	u6_addr32[4];
+#if ULONG_MAX > 0xffffffff
+	uint64_t	u6_addr64[2];
+#endif
+      } in6_u;
+#define s6_addr			in6_u.u6_addr8
+#define s6_addr16		in6_u.u6_addr16
+#define s6_addr32		in6_u.u6_addr32
+#define s6_addr64		in6_u.u6_addr64
+  };
+
+extern const struct in6_addr in6addr_any;        /* :: */
+extern const struct in6_addr in6addr_loopback;   /* ::1 */
+#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
+#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
+
+#define INET_ADDRSTRLEN 16
+#define INET6_ADDRSTRLEN 46
+
+/* Get the definition of the macro to define the common sockaddr members.  */
+#include <bits/sockaddr.h>
+
+
+/* Structure describing an Internet socket address.  */
+struct sockaddr_in
+  {
+    __SOCKADDR_COMMON (sin_);
+    uint16_t sin_port;			/* Port number.  */
+    struct in_addr sin_addr;		/* Internet address.  */
+
+    /* Pad to size of `struct sockaddr'.  */
+    unsigned char sin_zero[sizeof (struct sockaddr) -
+			   __SOCKADDR_COMMON_SIZE -
+			   sizeof (uint16_t) -
+			   sizeof (struct in_addr)];
+  };
+
+/* Ditto, for IPv6.  */
+struct sockaddr_in6
+  {
+    __SOCKADDR_COMMON (sin6_);
+    uint16_t sin6_port;		/* Transport layer port # */
+    uint32_t sin6_flowinfo;	/* IPv6 flow information */
+    struct in6_addr sin6_addr;	/* IPv6 address */
+  };
+
+/* IPv6 multicast request.  */
+struct ipv6_mreq
+  {
+    /* IPv6 multicast address of group */
+    struct in6_addr ipv6mr_multiaddr;
+
+    /* local interface */
+    unsigned int ipv6mr_interface;
+  };
+
+/* Get system-specific definitions.  */
+#include <bits/in.h>
+
+/* Functions to convert between host and network byte order.
+
+   Please note that these functions normally take `unsigned long int' or
+   `unsigned short int' values as arguments and also return them.  But
+   this was a short-sighted decision since on different systems the types
+   may have different representations but the values are always the same.  */
+
+extern uint32_t ntohl __P ((uint32_t __netlong));
+extern uint16_t ntohs __P ((uint16_t __netshort));
+extern uint32_t htonl __P ((uint32_t __hostlong));
+extern uint16_t htons __P ((uint16_t __hostshort));
+
+#include <endian.h>
+
+/* Get machine dependent optimized versions of byte swapping functions.  */
+#include <bits/byteswap.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN && defined __OPTIMIZE__
+/* The host byte order is the same as network byte order,
+   so these functions are all just identity.  */
+# define ntohl(x)	(x)
+# define ntohs(x)	(x)
+# define htonl(x)	(x)
+# define htons(x)	(x)
+#else
+# if __BYTE_ORDER == __LITTLE_ENDIAN && defined __OPTIMIZE__
+#  define ntohl(x)	__bswap_32 (x)
+#  define ntohs(x)	__bswap_16 (x)
+#  define htonl(x)	__bswap_32 (x)
+#  define htons(x)	__bswap_16 (x)
+# endif
+#endif
+
+#define IN6_IS_ADDR_UNSPECIFIED(a) \
+	(((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
+	 ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == 0)
 
+#define IN6_IS_ADDR_LOOPBACK(a) \
+	(((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
+	 ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == htonl (1))
 
-/*
- * Many other definitions have been moved to <linux/in.h>,
- * because several parts of the kernel need them. -FvK
- */
-#include <linux/in.h>
+#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
 
-/*
- * Bind a socket to a privileged IP port
- */
-extern int bindresvport __P ((int __sockfd,
-		struct sockaddr_in * __sin));
+#define IN6_IS_ADDR_LINKLOCAL(a) \
+	((((uint32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
+
+#define IN6_IS_ADDR_SITELOCAL(a) \
+	((((uint32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
+
+#define IN6_IS_ADDR_V4MAPPED(a) \
+	((((uint32_t *) (a))[0] == 0) && (((uint32_t *) (a))[1] == 0) && \
+	 (((uint32_t *) (a))[2] == htonl (0xffff)))
+
+#define IN6_IS_ADDR_V4COMPAT(a) \
+	((((uint32_t *) (a))[0] == 0) && (((uint32_t *) (a))[1] == 0) && \
+	 (((uint32_t *) (a))[2] == 0) && (ntohl (((uint32_t *) (a))[3]) > 1))
+
+#define IN6_ARE_ADDR_EQUAL(a,b) \
+	((((uint32_t *) (a))[0] == ((uint32_t *) (b))[0]) && \
+	 (((uint32_t *) (a))[1] == ((uint32_t *) (b))[2]) && \
+	 (((uint32_t *) (a))[2] == ((uint32_t *) (b))[1]) && \
+	 (((uint32_t *) (a))[3] == ((uint32_t *) (b))[3]))
+
+/* Bind socket to a privileged IP port.  */
+extern int bindresvport __P ((int __sockfd, struct sockaddr_in *__sock_in));
+
+
+
+#define IN6_IS_ADDR_MC_NODELOCAL(a) \
+	(IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x1))
+
+#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
+	(IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x2))
+
+#define IN6_IS_ADDR_MC_SITELOCAL(a) \
+	(IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x5))
+
+#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
+	(IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x8))
+
+#define IN6_IS_ADDR_MC_GLOBAL(a) \
+	(IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0xe))
+
+/* IPv6 packet information.  */
+struct in6_pktinfo
+  {
+    struct in6_addr	ipi6_addr;    /* src/dst IPv6 address */
+    unsigned int	ipi6_ifindex; /* send/recv interface index */
+  };
 
 __END_DECLS
 
diff --git a/include/netinet/in_systm.h b/include/netinet/in_systm.h
index f481c5511..902fe6ea0 100644
--- a/include/netinet/in_systm.h
+++ b/include/netinet/in_systm.h
@@ -1 +1,41 @@
-#include <linux/in_systm.h>
+/* System specific type definitions for networking code.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _NETINET_IN_SYSTM_H
+#define _NETINET_IN_SYSTM_H 1
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+/*
+ * Network order versions of various data types. Unfortunately, BSD
+ * assumes specific sizes for shorts (16 bit) and longs (32 bit) which
+ * don't hold in general. As a consequence, the network order versions
+ * may not reflect the actual size of the native data types.
+ */
+
+typedef u_int16_t n_short;      /* short as received from the net */
+typedef u_int32_t n_long;       /* long as received from the net  */
+typedef u_int32_t n_time;       /* ms since 00:00 GMT, byte rev   */
+
+__END_DECLS
+
+#endif /* netinet/in_systm.h */
diff --git a/include/netinet/ip.h b/include/netinet/ip.h
index a6c49b6af..246a56a5d 100644
--- a/include/netinet/ip.h
+++ b/include/netinet/ip.h
@@ -1,39 +1,276 @@
-#ifndef _NETINET_IP_H
-#define _NETINET_IP_H
+/* Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef __NETINET_IP_H
+#define __NETINET_IP_H 1
 
 #include <features.h>
+#include <sys/types.h>
+
 #include <netinet/in.h>
-#include <linux/ip.h>
 
-#ifdef _BSD_SOURCE
+__BEGIN_DECLS
+
+struct timestamp
+  {
+    u_int8_t len;
+    u_int8_t ptr;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    unsigned int flags:4;
+    unsigned int overflow:4;
+#elif __BYTE_ORDER == __BIG_ENDIAN
+    unsigned int overflow:4;
+    unsigned int flags:4;
+#else
+# error	"Please fix <bits/endian.h>"
+#endif
+    u_int32_t data[9];
+  };
+
+struct ip_options
+  {
+    u_int32_t faddr;		/* Saved first hop address */
+    u_int8_t optlen;
+    u_int8_t srr;
+    u_int8_t rr;
+    u_int8_t ts;
+    unsigned int is_setbyuser:1;   /* Set by setsockopt?		  */
+    unsigned int is_data:1;	   /* Options in __data, rather than skb  */
+    unsigned int is_strictroute:1; /* Strict source route		  */
+    unsigned int srr_is_hit:1;	   /* Packet destination addr was our one */
+    unsigned int is_changed:1;	   /* IP checksum more not valid	  */
+    unsigned int rr_needaddr:1;	   /* Need to record addr of outgoing dev */
+    unsigned int ts_needtime:1;	   /* Need to record timestamp		  */
+    unsigned int ts_needaddr:1;	   /* Need to record addr of outgoing dev */
+    u_int8_t router_alert;
+    u_int8_t __pad1;
+    u_int8_t __pad2;
+#ifdef __GNUC__
+    u_int8_t __data[0];
+#endif
+  };
+
+struct iphdr
+  {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    unsigned int ihl:4;
+    unsigned int version:4;
+#elif __BYTE_ORDER == __BIG_ENDIAN
+    unsigned int version:4;
+    unsigned int ihl:4;
+#else
+# error	"Please fix <bits/endian.h>"
+#endif
+    u_int8_t tos;
+    u_int16_t tot_len;
+    u_int16_t id;
+    u_int16_t frag_off;
+    u_int8_t ttl;
+    u_int8_t protocol;
+    u_int16_t check;
+    u_int32_t saddr;
+    u_int32_t daddr;
+    /*The options start here. */
+  };
 
+#ifdef __USE_BSD
 /*
- *	BSD has the following structure
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ip.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Definitions for internet protocol version 4.
+ * Per RFC 791, September 1981.
+ */
+
+/*
+ * Structure of an internet header, naked of options.
  */
- 
 struct ip
-{
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-	__u8	ip_hl:4,
-		ip_v:4;
-#else
-	__u8	ip_v:4,
-		ip_hl:4;
+  {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    unsigned int ip_hl:4;		/* header length */
+    unsigned int ip_v:4;		/* version */
+#endif
+#if __BYTE_ORDER == __BIG_ENDIAN
+    unsigned int ip_v:4;		/* version */
+    unsigned int ip_hl:4;		/* header length */
 #endif
-#define IPVERSION	4
-	__u8	ip_tos;
-	__u16	ip_len;
-	__u16	ip_id;
-	__u16	ip_off;
-	__u8	ip_ttl;
-	__u8	ip_p;
-	__u16	ip_csum;
-	struct	in_addr ip_src,ip_dst;
-};
-
-#define	IP_DF	0x4000		/* dont fragment flag */
-#define	IP_MF	0x2000		/* more fragments flag */
+    u_int8_t ip_tos;			/* type of service */
+    u_short ip_len;			/* total length */
+    u_short ip_id;			/* identification */
+    u_short ip_off;			/* fragment offset field */
+#define	IP_RF 0x8000			/* reserved fragment flag */
+#define	IP_DF 0x4000			/* dont fragment flag */
+#define	IP_MF 0x2000			/* more fragments flag */
+#define	IP_OFFMASK 0x1fff		/* mask for fragmenting bits */
+    u_int8_t ip_ttl;			/* time to live */
+    u_int8_t ip_p;			/* protocol */
+    u_short ip_sum;			/* checksum */
+    struct in_addr ip_src, ip_dst;	/* source and dest address */
+  };
 
+/*
+ * Time stamp option structure.
+ */
+struct ip_timestamp
+  {
+    u_int8_t ipt_code;			/* IPOPT_TS */
+    u_int8_t ipt_len;			/* size of structure (variable) */
+    u_int8_t ipt_ptr;			/* index of current entry */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    unsigned int ipt_flg:4;		/* flags, see below */
+    unsigned int ipt_oflw:4;		/* overflow counter */
+#endif
+#if __BYTE_ORDER == __BIG_ENDIAN
+    unsigned int ipt_oflw:4;		/* overflow counter */
+    unsigned int ipt_flg:4;		/* flags, see below */
 #endif
+    u_int32_t data[9];
+  };
+#endif /* __USE_BSD */
+
+#define	IPVERSION	4               /* IP version number */
+#define	IP_MAXPACKET	65535		/* maximum packet size */
+
+/*
+ * Definitions for IP type of service (ip_tos)
+ */
+#define	IPTOS_TOS_MASK		0x1E
+#define	IPTOS_TOS(tos)		((tos) & IPTOS_TOS_MASK)
+#define	IPTOS_LOWDELAY		0x10
+#define	IPTOS_THROUGHPUT	0x08
+#define	IPTOS_RELIABILITY	0x04
+#define	IPTOS_LOWCOST		0x02
+#define	IPTOS_MINCOST		IPTOS_LOWCOST
+
+/*
+ * Definitions for IP precedence (also in ip_tos) (hopefully unused)
+ */
+#define	IPTOS_PREC_MASK			0xe0
+#define	IPTOS_PREC(tos)                ((tos) & IPTOS_PREC_MASK)
+#define	IPTOS_PREC_NETCONTROL		0xe0
+#define	IPTOS_PREC_INTERNETCONTROL	0xc0
+#define	IPTOS_PREC_CRITIC_ECP		0xa0
+#define	IPTOS_PREC_FLASHOVERRIDE	0x80
+#define	IPTOS_PREC_FLASH		0x60
+#define	IPTOS_PREC_IMMEDIATE		0x40
+#define	IPTOS_PREC_PRIORITY		0x20
+#define	IPTOS_PREC_ROUTINE		0x00
+
+/*
+ * Definitions for options.
+ */
+#define	IPOPT_COPY		0x80
+#define	IPOPT_CLASS_MASK	0x60
+#define	IPOPT_NUMBER_MASK	0x1f
+
+#define	IPOPT_COPIED(o)		((o) & IPOPT_COPY)
+#define	IPOPT_CLASS(o)		((o) & IPOPT_CLASS_MASK)
+#define	IPOPT_NUMBER(o)		((o) & IPOPT_NUMBER_MASK)
+
+#define	IPOPT_CONTROL		0x00
+#define	IPOPT_RESERVED1		0x20
+#define	IPOPT_DEBMEAS		0x40
+#define	IPOPT_MEASUREMENT       IPOPT_DEBMEAS
+#define	IPOPT_RESERVED2		0x60
+
+#define	IPOPT_EOL		0		/* end of option list */
+#define	IPOPT_END		IPOPT_EOL
+#define	IPOPT_NOP		1		/* no operation */
+#define	IPOPT_NOOP		IPOPT_NOP
+
+#define	IPOPT_RR		7		/* record packet route */
+#define	IPOPT_TS		68		/* timestamp */
+#define	IPOPT_TIMESTAMP		IPOPT_TS
+#define	IPOPT_SECURITY		130		/* provide s,c,h,tcc */
+#define	IPOPT_SEC		IPOPT_SECURITY
+#define	IPOPT_LSRR		131		/* loose source route */
+#define	IPOPT_SATID		136		/* satnet id */
+#define	IPOPT_SID		IPOPT_SATID
+#define	IPOPT_SSRR		137		/* strict source route */
+#define	IPOPT_RA		148		/* router alert */
+
+/*
+ * Offsets to fields in options other than EOL and NOP.
+ */
+#define	IPOPT_OPTVAL		0		/* option ID */
+#define	IPOPT_OLEN		1		/* option length */
+#define	IPOPT_OFFSET		2		/* offset within option */
+#define	IPOPT_MINOFF		4		/* min value of above */
+
+#define	MAX_IPOPTLEN		40
+
+/* flag bits for ipt_flg */
+#define	IPOPT_TS_TSONLY		0		/* timestamps only */
+#define	IPOPT_TS_TSANDADDR	1		/* timestamps and addresses */
+#define	IPOPT_TS_PRESPEC	3		/* specified modules only */
+
+/* bits for security (not byte swapped) */
+#define	IPOPT_SECUR_UNCLASS	0x0000
+#define	IPOPT_SECUR_CONFID	0xf135
+#define	IPOPT_SECUR_EFTO	0x789a
+#define	IPOPT_SECUR_MMMM	0xbc4d
+#define	IPOPT_SECUR_RESTR	0xaf13
+#define	IPOPT_SECUR_SECRET	0xd788
+#define	IPOPT_SECUR_TOPSECRET	0x6bc5
+
+/*
+ * Internet implementation parameters.
+ */
+#define	MAXTTL		255		/* maximum time to live (seconds) */
+#define	IPDEFTTL	64		/* default ttl, from RFC 1340 */
+#define	IPFRAGTTL	60		/* time to live for frags, slowhz */
+#define	IPTTLDEC	1		/* subtracted when forwarding */
+
+#define	IP_MSS		576		/* default maximum segment size */
+
+__END_DECLS
 
-#endif /* _NETINET_IP_H */
+#endif /* netinet/ip.h */
diff --git a/include/netinet/ip6.h b/include/netinet/ip6.h
new file mode 100644
index 000000000..cd42ef64b
--- /dev/null
+++ b/include/netinet/ip6.h
@@ -0,0 +1,106 @@
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _NETINET_IP6_H
+#define _NETINET_IP6_H 1
+
+#include <inttypes.h>
+#include <netinet/in.h>
+
+struct ip6_hdr 
+  {
+    union 
+      {
+	struct ip6_hdrctl 
+	  {
+	    uint32_t ip6_un1_flow;   /* 24 bits of flow-ID */
+	    uint16_t ip6_un1_plen;   /* payload length */
+	    uint8_t  ip6_un1_nxt;    /* next header */
+	    uint8_t  ip6_un1_hlim;   /* hop limit */
+	  } ip6_un1;
+	uint8_t ip6_un2_vfc;       /* 4 bits version, 4 bits priority */
+      } ip6_ctlun;
+    struct in6_addr ip6_src;      /* source address */
+    struct in6_addr ip6_dst;      /* destination address */
+  };
+
+#define ip6_vfc   ip6_ctlun.ip6_un2_vfc
+#define ip6_flow  ip6_ctlun.ip6_un1.ip6_un1_flow
+#define ip6_plen  ip6_ctlun.ip6_un1.ip6_un1_plen
+#define ip6_nxt   ip6_ctlun.ip6_un1.ip6_un1_nxt
+#define ip6_hlim  ip6_ctlun.ip6_un1.ip6_un1_hlim
+#define ip6_hops  ip6_ctlun.ip6_un1.ip6_un1_hlim
+
+/* Hop-by-Hop options header.  */
+struct ip6_hbh 
+  {
+    uint8_t  ip6h_nxt;        /* next hesder.  */
+    uint8_t  ip6h_len;        /* length in units of 8 octets.  */
+    /* followed by options */
+  };
+
+/* Destination options header */
+struct ip6_dest 
+  {
+    uint8_t  ip6d_nxt;        /* next header */
+    uint8_t  ip6d_len;        /* length in units of 8 octets */
+    /* followed by options */
+  };
+
+/* Routing header */
+struct ip6_rthdr 
+  {
+    uint8_t  ip6r_nxt;        /* next header */
+    uint8_t  ip6r_len;        /* length in units of 8 octets */
+    uint8_t  ip6r_type;       /* routing type */
+    uint8_t  ip6r_segleft;    /* segments left */
+    /* followed by routing type specific data */
+  };
+
+/* Type 0 Routing header */
+struct ip6_rthdr0 
+  {
+    uint8_t  ip6r0_nxt;       /* next header */
+    uint8_t  ip6r0_len;       /* length in units of 8 octets */
+    uint8_t  ip6r0_type;      /* always zero */
+    uint8_t  ip6r0_segleft;   /* segments left */
+    uint8_t  ip6r0_reserved;  /* reserved field */
+    uint8_t  ip6r0_slmap[3];  /* strict/loose bit map */
+    struct in6_addr  ip6r0_addr[1];  /* up to 23 addresses */
+  };
+
+/* Fragment header */
+struct ip6_frag 
+  {
+    uint8_t   ip6f_nxt;       /* next header */
+    uint8_t   ip6f_reserved;  /* reserved field */
+    uint16_t  ip6f_offlg;     /* offset, reserved, and flag */
+    uint32_t  ip6f_ident;     /* identification */
+  };
+
+#if     BYTE_ORDER == BIG_ENDIAN
+#define IP6F_OFF_MASK       0xfff8  /* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK  0x0006  /* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG      0x0001  /* more-fragments flag */
+#else   /* BYTE_ORDER == LITTLE_ENDIAN */
+#define IP6F_OFF_MASK       0xf8ff  /* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK  0x0600  /* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG      0x0100  /* more-fragments flag */
+#endif
+
+#endif /* netinet/ip6.h */
diff --git a/include/netinet/ip_icmp.h b/include/netinet/ip_icmp.h
index 1662e3f7f..be7959ee7 100644
--- a/include/netinet/ip_icmp.h
+++ b/include/netinet/ip_icmp.h
@@ -1 +1,287 @@
-#include <linux/icmp.h>
+/* Copyright (C) 1991, 92, 93, 95, 96, 97 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef __NETINET_IP_ICMP_H
+#define __NETINET_IP_ICMP_H    1
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+struct icmphdr
+{
+  u_int8_t type;		/* message type */
+  u_int8_t code;		/* type sub-code */
+  u_int16_t checksum;
+  union
+  {
+    struct
+    {
+      u_int16_t	id;
+      u_int16_t	sequence;
+    } echo;			/* echo datagram */
+    u_int32_t	gateway;	/* gateway address */
+    struct
+    {
+      u_int16_t	__unused;
+      u_int16_t	mtu;
+    } frag;			/* path mtu discovery */
+  } un;
+};
+
+#define ICMP_ECHOREPLY		0	/* Echo Reply			*/
+#define ICMP_DEST_UNREACH	3	/* Destination Unreachable	*/
+#define ICMP_SOURCE_QUENCH	4	/* Source Quench		*/
+#define ICMP_REDIRECT		5	/* Redirect (change route)	*/
+#define ICMP_ECHO		8	/* Echo Request			*/
+#define ICMP_TIME_EXCEEDED	11	/* Time Exceeded		*/
+#define ICMP_PARAMETERPROB	12	/* Parameter Problem		*/
+#define ICMP_TIMESTAMP		13	/* Timestamp Request		*/
+#define ICMP_TIMESTAMPREPLY	14	/* Timestamp Reply		*/
+#define ICMP_INFO_REQUEST	15	/* Information Request		*/
+#define ICMP_INFO_REPLY		16	/* Information Reply		*/
+#define ICMP_ADDRESS		17	/* Address Mask Request		*/
+#define ICMP_ADDRESSREPLY	18	/* Address Mask Reply		*/
+#define NR_ICMP_TYPES		18
+
+
+/* Codes for UNREACH. */
+#define ICMP_NET_UNREACH	0	/* Network Unreachable		*/
+#define ICMP_HOST_UNREACH	1	/* Host Unreachable		*/
+#define ICMP_PROT_UNREACH	2	/* Protocol Unreachable		*/
+#define ICMP_PORT_UNREACH	3	/* Port Unreachable		*/
+#define ICMP_FRAG_NEEDED	4	/* Fragmentation Needed/DF set	*/
+#define ICMP_SR_FAILED		5	/* Source Route failed		*/
+#define ICMP_NET_UNKNOWN	6
+#define ICMP_HOST_UNKNOWN	7
+#define ICMP_HOST_ISOLATED	8
+#define ICMP_NET_ANO		9
+#define ICMP_HOST_ANO		10
+#define ICMP_NET_UNR_TOS	11
+#define ICMP_HOST_UNR_TOS	12
+#define ICMP_PKT_FILTERED	13	/* Packet filtered */
+#define ICMP_PREC_VIOLATION	14	/* Precedence violation */
+#define ICMP_PREC_CUTOFF	15	/* Precedence cut off */
+#define NR_ICMP_UNREACH		15	/* instead of hardcoding immediate value */
+
+/* Codes for REDIRECT. */
+#define ICMP_REDIR_NET		0	/* Redirect Net			*/
+#define ICMP_REDIR_HOST		1	/* Redirect Host		*/
+#define ICMP_REDIR_NETTOS	2	/* Redirect Net for TOS		*/
+#define ICMP_REDIR_HOSTTOS	3	/* Redirect Host for TOS	*/
+
+/* Codes for TIME_EXCEEDED. */
+#define ICMP_EXC_TTL		0	/* TTL count exceeded		*/
+#define ICMP_EXC_FRAGTIME	1	/* Fragment Reass time exceeded	*/
+
+
+#ifdef __USE_BSD
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ip_icmp.h	8.1 (Berkeley) 6/10/93
+ */
+
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+/*
+ * Internal of an ICMP Router Advertisement
+ */
+struct icmp_ra_addr
+{
+  u_int32_t ira_addr;
+  u_int32_t ira_preference;
+};
+
+struct icmp
+{
+  u_int8_t  icmp_type;	/* type of message, see below */
+  u_int8_t  icmp_code;	/* type sub code */
+  u_int16_t icmp_cksum;	/* ones complement checksum of struct */
+  union
+  {
+    u_char ih_pptr;		/* ICMP_PARAMPROB */
+    struct in_addr ih_gwaddr;	/* gateway address */
+    struct ih_idseq		/* echo datagram */
+    {
+      u_int16_t icd_id;
+      u_int16_t icd_seq;
+    } ih_idseq;
+    u_int32_t ih_void;
+
+    /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
+    struct ih_pmtu
+    {
+      u_int16_t ipm_void;
+      u_int16_t ipm_nextmtu;
+    } ih_pmtu;
+
+    struct ih_rtradv
+    {
+      u_int8_t irt_num_addrs;
+      u_int8_t irt_wpa;
+      u_int16_t irt_lifetime;
+    } ih_rtradv;
+  } icmp_hun;
+#define	icmp_pptr	icmp_hun.ih_pptr
+#define	icmp_gwaddr	icmp_hun.ih_gwaddr
+#define	icmp_id		icmp_hun.ih_idseq.icd_id
+#define	icmp_seq	icmp_hun.ih_idseq.icd_seq
+#define	icmp_void	icmp_hun.ih_void
+#define	icmp_pmvoid	icmp_hun.ih_pmtu.ipm_void
+#define	icmp_nextmtu	icmp_hun.ih_pmtu.ipm_nextmtu
+#define	icmp_num_addrs	icmp_hun.ih_rtradv.irt_num_addrs
+#define	icmp_wpa	icmp_hun.ih_rtradv.irt_wpa
+#define	icmp_lifetime	icmp_hun.ih_rtradv.irt_lifetime
+  union
+  {
+    struct
+    {
+      u_int32_t its_otime;
+      u_int32_t its_rtime;
+      u_int32_t its_ttime;
+    } id_ts;
+    struct
+    {
+      struct ip idi_ip;
+      /* options and then 64 bits of data */
+    } id_ip;
+    struct icmp_ra_addr id_radv;
+    u_int32_t   id_mask;
+    u_int8_t    id_data[1];
+  } icmp_dun;
+#define	icmp_otime	icmp_dun.id_ts.its_otime
+#define	icmp_rtime	icmp_dun.id_ts.its_rtime
+#define	icmp_ttime	icmp_dun.id_ts.its_ttime
+#define	icmp_ip		icmp_dun.id_ip.idi_ip
+#define	icmp_radv	icmp_dun.id_radv
+#define	icmp_mask	icmp_dun.id_mask
+#define	icmp_data	icmp_dun.id_data
+};
+
+/*
+ * Lower bounds on packet lengths for various types.
+ * For the error advice packets must first insure that the
+ * packet is large enough to contain the returned ip header.
+ * Only then can we do the check to see if 64 bits of packet
+ * data have been returned, since we need to check the returned
+ * ip header length.
+ */
+#define	ICMP_MINLEN	8				/* abs minimum */
+#define	ICMP_TSLEN	(8 + 3 * sizeof (n_time))	/* timestamp */
+#define	ICMP_MASKLEN	12				/* address mask */
+#define	ICMP_ADVLENMIN	(8 + sizeof (struct ip) + 8)	/* min */
+#ifndef _IP_VHL
+#define	ICMP_ADVLEN(p)	(8 + ((p)->icmp_ip.ip_hl << 2) + 8)
+	/* N.B.: must separately check that ip_hl >= 5 */
+#else
+#define	ICMP_ADVLEN(p)	(8 + (IP_VHL_HL((p)->icmp_ip.ip_vhl) << 2) + 8)
+	/* N.B.: must separately check that header length >= 5 */
+#endif
+
+/* Definition of type and code fields. */
+/* defined above: ICMP_ECHOREPLY, ICMP_REDIRECT, ICMP_ECHO */
+#define	ICMP_UNREACH		3		/* dest unreachable, codes: */
+#define	ICMP_SOURCEQUENCH	4		/* packet lost, slow down */
+#define	ICMP_ROUTERADVERT	9		/* router advertisement */
+#define	ICMP_ROUTERSOLICIT	10		/* router solicitation */
+#define	ICMP_TIMXCEED		11		/* time exceeded, code: */
+#define	ICMP_PARAMPROB		12		/* ip header bad */
+#define	ICMP_TSTAMP		13		/* timestamp request */
+#define	ICMP_TSTAMPREPLY	14		/* timestamp reply */
+#define	ICMP_IREQ		15		/* information request */
+#define	ICMP_IREQREPLY		16		/* information reply */
+#define	ICMP_MASKREQ		17		/* address mask request */
+#define	ICMP_MASKREPLY		18		/* address mask reply */
+
+#define	ICMP_MAXTYPE		18
+
+/* UNREACH codes */
+#define	ICMP_UNREACH_NET	        0	/* bad net */
+#define	ICMP_UNREACH_HOST	        1	/* bad host */
+#define	ICMP_UNREACH_PROTOCOL	        2	/* bad protocol */
+#define	ICMP_UNREACH_PORT	        3	/* bad port */
+#define	ICMP_UNREACH_NEEDFRAG	        4	/* IP_DF caused drop */
+#define	ICMP_UNREACH_SRCFAIL	        5	/* src route failed */
+#define	ICMP_UNREACH_NET_UNKNOWN        6	/* unknown net */
+#define	ICMP_UNREACH_HOST_UNKNOWN       7	/* unknown host */
+#define	ICMP_UNREACH_ISOLATED	        8	/* src host isolated */
+#define	ICMP_UNREACH_NET_PROHIB	        9	/* net denied */
+#define	ICMP_UNREACH_HOST_PROHIB        10	/* host denied */
+#define	ICMP_UNREACH_TOSNET	        11	/* bad tos for net */
+#define	ICMP_UNREACH_TOSHOST	        12	/* bad tos for host */
+#define	ICMP_UNREACH_FILTER_PROHIB      13	/* admin prohib */
+#define	ICMP_UNREACH_HOST_PRECEDENCE    14	/* host prec vio. */
+#define	ICMP_UNREACH_PRECEDENCE_CUTOFF  15	/* prec cutoff */
+
+/* REDIRECT codes */
+#define	ICMP_REDIRECT_NET	0		/* for network */
+#define	ICMP_REDIRECT_HOST	1		/* for host */
+#define	ICMP_REDIRECT_TOSNET	2		/* for tos and net */
+#define	ICMP_REDIRECT_TOSHOST	3		/* for tos and host */
+
+/* TIMEXCEED codes */
+#define	ICMP_TIMXCEED_INTRANS	0		/* ttl==0 in transit */
+#define	ICMP_TIMXCEED_REASS	1		/* ttl==0 in reass */
+
+/* PARAMPROB code */
+#define	ICMP_PARAMPROB_OPTABSENT 1		/* req. opt. absent */
+
+#define	ICMP_INFOTYPE(type) \
+	((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
+	(type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
+	(type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
+	(type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
+	(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
+
+#endif /* __USE_BSD */
+
+__END_DECLS
+
+#endif /* netinet/ip_icmp.h */
diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index 8636ec7d0..36976369e 100644
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -1 +1,166 @@
-#include <netinet/ip_tcp.h>
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)tcp.h	8.1 (Berkeley) 6/10/93
+ */
+
+#ifndef _NETINET_TCP_H
+#define _NETINET_TCP_H	1
+
+#include <features.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+#ifdef __FAVOR_BSD
+typedef	u_int32_t tcp_seq;
+/*
+ * TCP header.
+ * Per RFC 793, September, 1981.
+ */
+struct tcphdr
+  {
+    u_int16_t th_sport;		/* source port */
+    u_int16_t th_dport;		/* destination port */
+    tcp_seq th_seq;		/* sequence number */
+    tcp_seq th_ack;		/* acknowledgement number */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    u_int8_t th_x2:4;		/* (unused) */
+    u_int8_t th_off:4;		/* data offset */
+#endif
+#if __BYTE_ORDER == __BIG_ENDIAN
+    u_int8_t th_off:4;		/* data offset */
+    u_int8_t th_x2:4;		/* (unused) */
+#endif
+    u_int8_t th_flags;
+#define	TH_FIN	0x01
+#define	TH_SYN	0x02
+#define	TH_RST	0x04
+#define	TH_PUSH	0x08
+#define	TH_ACK	0x10
+#define	TH_URG	0x20
+    u_int16_t th_win;		/* window */
+    u_int16_t th_sum;		/* checksum */
+    u_int16_t th_urp;		/* urgent pointer */
+};
+
+#else /* !__FAVOR_BSD */
+struct tcphdr
+  {
+    u_int16_t source;
+    u_int16_t dest;
+    u_int32_t seq;
+    u_int32_t ack_seq;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    u_int16_t res1:4;
+    u_int16_t doff:4;
+    u_int16_t fin:1;
+    u_int16_t syn:1;
+    u_int16_t rst:1;
+    u_int16_t psh:1;
+    u_int16_t ack:1;
+    u_int16_t urg:1;
+    u_int16_t res2:2;
+#elif __BYTE_ORDER == __BIG_ENDIAN
+    u_int16_t doff:4;
+    u_int16_t res1:4;
+    u_int16_t res2:2;
+    u_int16_t urg:1;
+    u_int16_t ack:1;
+    u_int16_t psh:1;
+    u_int16_t rst:1;
+    u_int16_t syn:1;
+    u_int16_t fin:1;
+#else
+#error	"Adjust your <bits/endian.h> defines"
+#endif
+    u_int16_t window;
+    u_int16_t check;
+    u_int16_t urg_ptr;
+};
+#endif /* __FAVOR_BSD */
+
+enum
+{
+  TCP_ESTABLISHED = 1,
+  TCP_SYN_SENT,
+  TCP_SYN_RECV,
+  TCP_FIN_WAIT1,
+  TCP_FIN_WAIT2,
+  TCP_TIME_WAIT,
+  TCP_CLOSE,
+  TCP_CLOSE_WAIT,
+  TCP_LAST_ACK,
+  TCP_LISTEN,
+  TCP_CLOSING   /* now a valid state */
+};
+
+#define	TCPOPT_EOL		0
+#define	TCPOPT_NOP		1
+#define	TCPOPT_MAXSEG		2
+#define TCPOLEN_MAXSEG		4
+#define TCPOPT_WINDOW		3
+#define TCPOLEN_WINDOW		3
+#define TCPOPT_SACK_PERMITTED	4		/* Experimental */
+#define TCPOLEN_SACK_PERMITTED	2
+#define TCPOPT_SACK		5		/* Experimental */
+#define TCPOPT_TIMESTAMP	8
+#define TCPOLEN_TIMESTAMP	10
+#define TCPOLEN_TSTAMP_APPA	(TCPOLEN_TIMESTAMP+2) /* appendix A */
+
+#define TCPOPT_TSTAMP_HDR	\
+    (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
+
+/*
+ * Default maximum segment size for TCP.
+ * With an IP MSS of 576, this is 536,
+ * but 512 is probably more convenient.
+ * This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)).
+ */
+#define	TCP_MSS	512
+
+#define	TCP_MAXWIN	65535	/* largest value for (unscaled) window */
+
+#define TCP_MAX_WINSHIFT	14	/* maximum window shift */
+
+/*
+ * User-settable options (used with setsockopt).
+ */
+#define	TCP_NODELAY	0x01	/* don't delay send to coalesce packets */
+#define	TCP_MAXSEG	0x02	/* set maximum segment size */
+#define TCP_CORK	0x03	/* control sending of partial frames */
+
+#define SOL_TCP		6	/* TCP level */
+
+__END_DECLS
+
+#endif /* netinet/tcp.h */
diff --git a/include/netinet/udp.h b/include/netinet/udp.h
index 39a57a3c7..9ee66f0fc 100644
--- a/include/netinet/udp.h
+++ b/include/netinet/udp.h
@@ -1 +1,55 @@
-#include <netinet/ip_udp.h>
+/* Copyright (C) 1991, 92, 93, 95, 96, 97 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef __NETINET_UDP_H
+#define __NETINET_UDP_H    1
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+/* UDP header as specified by RFC 768, August 1980. */
+#ifdef __FAVOR_BSD
+struct udphdr {
+         u_int16_t uh_sport;           /* source port */
+         u_int16_t uh_dport;           /* destination port */
+         u_int16_t uh_ulen;            /* udp length */
+         u_int16_t uh_sum;             /* udp checksum */
+};
+#else
+
+struct udphdr {
+  u_int16_t	source;
+  u_int16_t	dest;
+  u_int16_t	len;
+  u_int16_t	check;
+};
+#endif
+
+#define SOL_UDP            17      /* sockopt level for UDP */
+
+__END_DECLS
+
+#endif /* netinet/udp.h */