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authorUlrich Drepper <drepper@redhat.com>1997-05-24 02:30:09 +0000
committerUlrich Drepper <drepper@redhat.com>1997-05-24 02:30:09 +0000
commit0501d6036744d44cad6d5a6eda8090ddfbe604c4 (patch)
treeac5de4474ab5209dd348b7442dac99d4547851af /sysdeps/unix/sysv/linux/netinet
parentbfbc57545a197afff72572c3a6f0563023d553a5 (diff)
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Update.
1997-05-24 03:51  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/Makefile (routines): Add strtol_l, strtoul_l, strtoll_l,
	strtoull_l, strtof_l, strtod_l, and strtold_l.
	* stdlib/stdlib.h: Add prototypes for new functions.
	* stdlib/strtod.c: Change for compiling as strtoX_l.
	* stdlib/strtol.c: Likewise.
	* stdlib/strtof.c: Likewise.
	* stdlib/strtold.c: Likewise.
	* stdlib/strtod_l.c: New file.
	* stdlib/strtof_l.c: New file.
	* stdlib/strtold_l.c: New file.
	* stdlib/strtol_l.c: New file.
	* stdlib/strtoul_l.c: New file.
	* stdlib/strtoll_l.c: New file.
	* stdlib/strtoull_l.c: New file.
	* string/Makefile (routines): Add strcasecmp_l and strncase_l.
	* string/string.h: Add prototypes for new functions.
	* sysdeps/generic/strcasecmp.c: Change for compiling as strcasecmp_l.
	* sysdeps/generic/strncase.c: Change for compiling as strncasecmp_l.
	* sysdeps/generic/strcasecmp_l.c: New file.
	* sysdeps/generic/strncase_l.c: New file.
	* wcsmbs/Makefile (routines): Add wcstol_l, wcstoul_l, wcstoll_l,
	wcstoull_l, wcstod_l, wcstold_l, wcstof_l, wcscasecmp_l, and
	wcsncase_l.
	* wcsmbs/wchar.h: Add prototypes for new functions.
	* wcsmbs/wcscasecmp.c: Change for compiling as wcscasecmp_l.
	* wcsmbs/wcsncase.c: Change for compiling as wcsncasecmp_l.
	* wcsmbs/wcscasecmp_l.c: New file.
	* wcsmbs/wcsncase_l.c: New file.
	* wcsmbs/wcstof.c: Change for compiling as wcstof_l.c
	* wcsmbs/wcstold.c: Change for compiling as wcstold_l.c
	* wcsmcs/wcstod_l.c: New file.
	* wcsmcs/wcstof_l.c: New file.
	* wcsmcs/wcstold_l.c: New file.
	* wcsmcs/wcstol_l.c: New file.
	* wcsmcs/wcstoul_l.c: New file.
	* wcsmcs/wcstoll_l.c: New file.
	* wcsmcs/wcstoull_l.c: New file.

	* Makeconfig (binfmt-subdir): New variable.  Set to `elf' if
	$(elf) is defined.  More to come later when other binary formats
	are supported.
	* Makefile (subdirs): Remove elf.  Add $(binfmt-subdir).
	Suggested by Philip Blundell.

	* stdlib/Makefile (headers): Add fmtmsg.h.
	(routines): Add fmtmsg.
	* stdlib/fmtmsg.c: New file.
	* stdlib/fmtmsg.h: New file.
	* manual/stdio.texi: Add description of fmtmsg and addseverity.
	* manual/examples/fmtmsgexpl.c: Example program for fmtmsg
	documentation.

1997-05-23 15:26  Philip Blundell  <pjb27@cam.ac.uk>

	* resolv/res_query.c (res_querydomain): Avoid potential buffer
	overrun.  Reported by Dan A. Dickey <ddickey@transition.com>.

1997-05-22 18:36  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* elf/dl-support.c (_dl_sysdep_open_zero_fill,
	_dl_sysdep_read_whole_file): Moved functions to ...
	* elf/dl-misc.c: This new file.
	* sysdeps/generic/dl-sysdepio.c: Delete file and move functions...
	* elf/dl-misc.c: ... here.
	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_open_zero_fill,
	_dl_sysdep_read_whole_file): Delete functions; they now come from
	elf/dl-misc.c (dl-support.c had contained identical versions).
	* sysdeps/mach/hurd/dl-sysdepio.c: Delete file; move functions...
	* sysdeps/mach/hurd/dl-sysdep.c: ... here, but mark them weak so
	that the regular ones in dl-misc work once we've initialized.
	* elf/Makefile (dl-routines): Remove dl-sysdepio.c.  Add dl-misc.c.

1997-05-22 21:55  Philip Blundell  <pjb27@cam.ac.uk>

	* inet/Makefile (headers): Add netinet/inbits.h.
	* inet/netinet/in.h: New file.
	* sysdeps/generic/netinet/inbits.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/inbits.h: Likewise.
	* sysdeps/generic/netinet/ip6.h: Move to...
	* inet/netinet/ip6.h: ... here.
	* sysdeps/generic/netinet/icmp6.h: Move to...
	* inet/netinet/icmp6.h: ... here.
	* sysdeps/unix/sysv/linux/netinet/in.h: Remove.
	* sysdeps/generic/netinet/in.h: Remove.

1997-05-22 05:40  Richard Henderson  <rth@tamu.edu>

	* sysdeps/alpha/dl-machine.h (elf_machine_runtime_setup): If we are
	not looking at the new thread-safe .plt, don't be lazy about relocs.
	(_dl_runtime_resolve): Fix up arithmetic for new .plt layout.
	(elf_alpha_fix_plt): Insert wmb as appropriate to ensure safety.
	* elf/dynamic-link.h (ELF_DYNAMIC_RELOCATE): Let
	elf_machine_runtime_setup() decide if we can actually be lazy.
	* elf/rtld.c (_dl_start): So don't call it.
	* elf/dl-reloc.c (_dl_relocate_object): Likewise.
	* sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Return lazy.
	* sysdeps/m68k/dl-machine.h (elf_machine_runtime_setup): Likewise.
	* sysdeps/mips/dl-machine.h (elf_machine_runtime_setup): Likewise.
	* sysdeps/powerpc/dl-machine.h (elf_machine_runtime_setup): Likewise.
	* sysdeps/sparc/dl-machine.h (elf_machine_runtime_setup): Likewise.
	* sysdeps/stub/dl-machine.h (elf_machine_runtime_setup): Update
	skeleton definition.

1997-05-22 18:45  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/fpu/__math.h (logb): Remove second value placed on
	stack by fxtract.

1997-05-22 13:07  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sunrpc/rpcsvc/rusers.x: Provide and correct prototypes,
	add cast to (xdrproc_t) where necessary to prevent warnings.

1997-05-22 12:18  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Remove I/O functions.

	* sunrpc/rpcinfo.c (get_inet_address): Use INADDR_NONE and INADDR_ANY
	* sysdeps/libm-ieee754/s_cexp.c: Fix typo: string_alias ->
	* nss/XXX-lookup.c: Add missing explanation.
Diffstat (limited to 'sysdeps/unix/sysv/linux/netinet')
-rw-r--r--sysdeps/unix/sysv/linux/netinet/in.h317
-rw-r--r--sysdeps/unix/sysv/linux/netinet/inbits.h75
2 files changed, 75 insertions, 317 deletions
diff --git a/sysdeps/unix/sysv/linux/netinet/in.h b/sysdeps/unix/sysv/linux/netinet/in.h
deleted file mode 100644
index b0c793e7cf..0000000000
--- a/sysdeps/unix/sysv/linux/netinet/in.h
+++ /dev/null
@@ -1,317 +0,0 @@
-/* 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 General Public License as published by
-   the Free Software Foundation; either version 2, 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.
-
-   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 <sys/socket.h>
-#include <sys/types.h>
-
-
-__BEGIN_DECLS
-
-/* Standard well-defined IP protocols.  */
-enum
-  {
-    IPPROTO_IP = 0,	 /* Dummy protocol for TCP.  */
-    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_IPV6 = 41,   /* IPv6-in-IPv4 tunnelling.  */
-    IPPROTO_ICMPV6 = 58, /* ICMPv6.  */
-
-    IPPROTO_RAW = 255,	 /* Raw IP packets.  */
-    IPPROTO_MAX
-  };
-
-/* Standard well-known ports.  */
-enum
-  {
-    IPPORT_ECHO = 7,		/* Echo service.  */
-    IPPORT_DISCARD = 9,		/* Discard transmissions service.  */
-    IPPORT_SYSTAT = 11,		/* System status service.  */
-    IPPORT_DAYTIME = 13,	/* Time of day service.  */
-    IPPORT_NETSTAT = 15,	/* Network status service.  */
-    IPPORT_FTP = 21,		/* File Transfer Protocol.  */
-    IPPORT_TELNET = 23,		/* Telnet protocol.  */
-    IPPORT_SMTP = 25,		/* Simple Mail Transfer Protocol.  */
-    IPPORT_TIMESERVER = 37,	/* Timeserver service.  */
-    IPPORT_NAMESERVER = 42,	/* Domain Name Service.  */
-    IPPORT_WHOIS = 43,		/* Internet Whois service.  */
-    IPPORT_MTP = 57,
-
-    IPPORT_TFTP = 69,		/* Trivial File Transfer Protocol.  */
-    IPPORT_RJE = 77,
-    IPPORT_FINGER = 79,		/* Finger service.  */
-    IPPORT_TTYLINK = 87,
-    IPPORT_SUPDUP = 95,		/* SUPDUP protocol.  */
-
-
-    IPPORT_EXECSERVER = 512,	/* execd service.  */
-    IPPORT_LOGINSERVER = 513,	/* rlogind service.  */
-    IPPORT_CMDSERVER = 514,
-    IPPORT_EFSSERVER = 520,
-
-    /* UDP ports.  */
-    IPPORT_BIFFUDP = 512,
-    IPPORT_WHOSERVER = 513,
-    IPPORT_ROUTESERVER = 520,
-
-    /* Ports less than this value are reserved for privileged processes.  */
-    IPPORT_RESERVED = 1024,
-
-    /* Ports greater this value are reserved for (non-privileged) servers.  */
-    IPPORT_USERRESERVED = 5000
-  };
-
-
-/* Internet address.  */
-struct in_addr
-  {
-    unsigned int 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)		((((unsigned) (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)		((((unsigned) (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)		((((unsigned) (a)) & 0xc0000000) == 0xc0000000)
-#define	IN_CLASSC_NET		0xffffff00
-#define	IN_CLASSC_NSHIFT	8
-#define	IN_CLASSC_HOST		(0xffffffff & ~IN_CLASSC_NET)
-
-#define	IN_CLASSD(a)		((((unsigned) (a)) & 0xf0000000) == 0xe0000000)
-#define	IN_MULTICAST(a)		IN_CLASSD(a)
-
-#define	IN_EXPERIMENTAL(a)	((((unsigned) (a)) & 0xe0000000) == 0xe0000000)
-#define	IN_BADCLASS(a)		((((unsigned) (a)) & 0xf0000000) == 0xf0000000)
-
-/* Address to accept any incoming messages.  */
-#define	INADDR_ANY		((unsigned) 0x00000000)
-/* Address to send to all hosts.  */
-#define	INADDR_BROADCAST	((unsigned) 0xffffffff)
-/* Address indicating an error return.  */
-#define	INADDR_NONE		((unsigned) 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	((unsigned) 0x7f000001)	/* Inet address 127.0.0.1.  */
-#endif
-
-
-/* IPv6 address */
-struct in6_addr
-  {
-    union
-      {
-	u_int8_t	u6_addr8[16];
-	u_int16_t	u6_addr16[8];
-	u_int32_t	u6_addr32[4];
-#if (~0UL) > 0xffffffff
-	u_int64_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 <sockaddrcom.h>
-
-
-/* Structure describing an Internet socket address.  */
-struct sockaddr_in
-  {
-    __SOCKADDR_COMMON (sin_);
-    unsigned short int 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(unsigned short int) -
-			   sizeof(struct in_addr)];
-  };
-
-/* Ditto, for IPv6.  */
-struct sockaddr_in6
-  {
-    __SOCKADDR_COMMON (sin6_);
-    u_int16_t		sin6_port;      /* Transport layer port # */
-    u_int32_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 IPv6 address of interface */
-    int		ipv6mr_ifindex;
-  };
-
-
-/* Options for use with `getsockopt' and `setsockopt' at the IP level.
-   The first word in the comment at the right is the data type used;
-   "bool" means a boolean value stored in an `int'.  */
-#define	IP_TOS		   1	/* int; IP type of service and precedence.  */
-#define	IP_TTL		   2	/* int; IP time to live.  */
-#define	IP_HDRINCL	   3	/* int; Header is included with data.  */
-#define	IP_OPTIONS	   4	/* ip_opts; IP per-packet options.  */
-#define IP_MULTICAST_IF    32	/* in_addr; set/get IP multicast i/f */
-#define IP_MULTICAST_TTL   33	/* u_char; set/get IP multicast ttl */
-#define IP_MULTICAST_LOOP  34	/* i_char; set/get IP multicast loopback */
-#define IP_ADD_MEMBERSHIP  35	/* ip_mreq; add an IP group membership */
-#define IP_DROP_MEMBERSHIP 36	/* ip_mreq; drop an IP group membership */
-
-/* To select the IP level.  */
-#define SOL_IP	0
-
-/* Structure used to describe IP options for IP_OPTIONS. The `ip_dst'
-   field is used for the first-hop gateway when using a source route
-   (this gets put into the header proper).  */
-struct ip_opts
-  {
-    struct in_addr ip_dst;	/* First hop; zero without source route.  */
-    char ip_opts[40];		/* Actually variable in size.  */
-  };
-
-/* Structure used for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */
-struct ip_mreq
-  {
-    struct in_addr imr_multiaddr;	/* IP multicast address of group */
-    struct in_addr imr_interface;	/* local IP address of interface */
-  };
-
-/* 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 u_int32_t ntohl __P ((u_int32_t __netlong));
-extern u_int16_t ntohs __P ((u_int16_t __netshort));
-extern u_int32_t htonl __P ((u_int32_t __hostlong));
-extern u_int16_t htons __P ((u_int16_t __hostshort));
-
-#include <endian.h>
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-/* 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)
-#endif
-
-
-/* IPV6 socket options.  */
-#define IPV6_ADDRFORM		1
-#define IPV6_PKTINFO		2
-#define IPV6_RXHOPOPTS		3
-#define IPV6_RXDSTOPTS		4
-#define IPV6_RXSRCRT		5
-#define IPV6_PKTOPTIONS		6
-#define IPV6_CHECKSUM		7
-#define IPV6_HOPLIMIT		8
-
-#define SCM_SRCRT		IPV6_RXSRCRT
-
-#define IPV6_UNICAST_HOPS	16
-#define IPV6_MULTICAST_IF	17
-#define IPV6_MULTICAST_HOPS	18
-#define IPV6_MULTICAST_LOOP	19
-#define IPV6_ADD_MEMBERSHIP	20
-#define IPV6_DROP_MEMBERSHIP	21
-
-#define IN6_IS_ADDR_UNSPECIFIED(a) \
-        ((((u_int32_t *)(a))[0] == 0) && ((u_int32_t *)(a))[1] == 0) && \
-         (((u_int32_t *)(a))[2] == 0) && ((u_int32_t *)(a))[3] == 0))
-
-#define IN6_IS_ADDR_LOOPBACK(a) \
-        ((((u_int32_t *)(a))[0] == 0) && ((u_int32_t *)(a))[1] == 0) && \
-         (((u_int32_t *)(a))[2] == 0) && ((u_int32_t *)(a))[3] == htonl(1)))
-
-#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *)(a))[0] == 0xff)
-
-#define IN6_IS_ADDR_LINKLOCAL(a) \
-        ((((u_int32_t *)(a))[0] & htonl(0xffc00000)) == htonl(0xfe800000))
-
-#define IN6_IS_ADDR_SITELOCAL(a) \
-        ((((u_int32_t *)(a))[0] & htonl(0xffc00000)) == htonl(0xfec00000))
-
-#define IN6_IS_ADDR_V4MAPPED(a) \
-        ((((u_int32_t *)(a))[0] == 0) && (((u_int32_t *)(a))[1] == 0) && \
-         (((u_int32_t *)(a))[2] == htonl(0xffff)))
-
-#define IN6_IS_ADDR_V4COMPAT(a) \
-        ((((u_int32_t *)(a))[0] == 0) && (((u_int32_t *)(a))[1] == 0) && \
-         (((u_int32_t *)(a))[2] == 0) && (ntohl(((u_int32_t *)(a))[3]) > 1))
-
-
-/* Bind socket to a privileged IP port.  */
-extern int bindresvport __P ((int __sockfd, struct sockaddr_in *__sin));
-
-
-/* IPv6 packet information.  */
-struct in6_pktinfo 
-  {
-    struct in6_addr ipi6_addr;    /* src/dst IPv6 address */
-    int             ipi6_ifindex; /* send/recv interface index */
-  };
-
-__END_DECLS
-
-#endif	/* netinet/in.h */
diff --git a/sysdeps/unix/sysv/linux/netinet/inbits.h b/sysdeps/unix/sysv/linux/netinet/inbits.h
new file mode 100644
index 0000000000..0215ed598d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/netinet/inbits.h
@@ -0,0 +1,75 @@
+/* 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 General Public License as published by
+   the Free Software Foundation; either version 2, 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.
+
+   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.  */
+
+/* Linux version.  */
+
+#ifndef _NETINET_INBITS_H
+#define _NETINET_INBITS_H 1
+
+/* Options for use with `getsockopt' and `setsockopt' at the IP level.
+   The first word in the comment at the right is the data type used;
+   "bool" means a boolean value stored in an `int'.  */
+#define	IP_TOS		   1	/* int; IP type of service and precedence.  */
+#define	IP_TTL		   2	/* int; IP time to live.  */
+#define	IP_HDRINCL	   3	/* int; Header is included with data.  */
+#define	IP_OPTIONS	   4	/* ip_opts; IP per-packet options.  */
+#define IP_MULTICAST_IF    32	/* in_addr; set/get IP multicast i/f */
+#define IP_MULTICAST_TTL   33	/* u_char; set/get IP multicast ttl */
+#define IP_MULTICAST_LOOP  34	/* i_char; set/get IP multicast loopback */
+#define IP_ADD_MEMBERSHIP  35	/* ip_mreq; add an IP group membership */
+#define IP_DROP_MEMBERSHIP 36	/* ip_mreq; drop an IP group membership */
+
+/* To select the IP level.  */
+#define SOL_IP	0
+
+/* Structure used to describe IP options for IP_OPTIONS. The `ip_dst'
+   field is used for the first-hop gateway when using a source route
+   (this gets put into the header proper).  */
+struct ip_opts
+  {
+    struct in_addr ip_dst;	/* First hop; zero without source route.  */
+    char ip_opts[40];		/* Actually variable in size.  */
+  };
+
+/* Structure used for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */
+struct ip_mreq
+  {
+    struct in_addr imr_multiaddr;	/* IP multicast address of group */
+    struct in_addr imr_interface;	/* local IP address of interface */
+  };
+
+/* IPV6 socket options.  */
+#define IPV6_ADDRFORM		1
+#define IPV6_PKTINFO		2
+#define IPV6_RXHOPOPTS		3
+#define IPV6_RXDSTOPTS		4
+#define IPV6_RXSRCRT		5
+#define IPV6_PKTOPTIONS		6
+#define IPV6_CHECKSUM		7
+#define IPV6_HOPLIMIT		8
+
+#define SCM_SRCRT		IPV6_RXSRCRT
+
+#define IPV6_UNICAST_HOPS	16
+#define IPV6_MULTICAST_IF	17
+#define IPV6_MULTICAST_HOPS	18
+#define IPV6_MULTICAST_LOOP	19
+#define IPV6_ADD_MEMBERSHIP	20
+#define IPV6_DROP_MEMBERSHIP	21
+
+#endif	/* netinet/inbits.h */