--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cstdlib/LINCINET/ARP.H	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,108 @@
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/** @file
+@publishedAll
+@released
+*/
+
+/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
+/*	The copyright notice above does not evidence any   	*/
+/*	actual or intended publication of such source code.	*/
+
+/*
+ *		PROPRIETARY NOTICE (Combined)
+ *
+ *  This source code is unpublished proprietary information
+ *  constituting, or derived under license from AT&T's Unix(r) System V.
+ *  In addition, portions of such source code were derived from Berkeley
+ *  4.3 BSD under license from the Regents of the University of
+ *  California.
+ *
+ *
+ *
+ *		Copyright Notice
+ *
+ *  Notice of copyright on this source code product does not indicate
+ *  publication.
+ *
+ *	(c) 1986,1987,1988,1989  Sun Microsystems, Inc.
+ *	(c) 1983,1984,1985,1986,1987,1988,1989  AT&T.
+ *		All rights reserved.
+ */
+
+#ifndef	_NETINET_ARP_H
+#define	_NETINET_ARP_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <libc/netinet/net_types.h>
+/**
+Address Resolution Protocol.
+
+See RFC 826 for protocol description.  ARP packets are variable
+in size; the arphdr structure defines the fixed-length portion.
+Protocol type values are the same as those for 10 Mb/s Ethernet.
+It is followed by the variable-sized fields ar_sha, arp_spa,
+arp_tha and arp_tpa in that order, according to the lengths
+specified.  Field names used correspond to RFC 826.
+*/
+struct	arphdr {
+	u_short	ar_hrd;		/* format of hardware address */
+#define	ARPHRD_ETHER 	1	/* ethernet hardware address */
+	u_short	ar_pro;		/* format of protocol address */
+	u_char	ar_hln;		/* length of hardware address */
+	u_char	ar_pln;		/* length of protocol address */
+	u_short	ar_op;		/* one of: */
+#define	ARPOP_REQUEST	1	/* request to resolve address */
+#define	ARPOP_REPLY	2	/* response to previous request */
+#define	REVARP_REQUEST	3	/* Reverse ARP request */
+#define	REVARP_REPLY	4	/* Reverse ARP reply */
+	/*
+	 * The remaining fields are variable in size,
+	 * according to the sizes above, and are defined
+	 * as appropriate for specific hardware/protocol
+	 * combinations.  (E.g., see <netinet/if_ether.h>.)
+	 */
+#ifdef	notdef
+	u_char	ar_sha[];	/* sender hardware address */
+	u_char	ar_spa[];	/* sender protocol address */
+	u_char	ar_tha[];	/* target hardware address */
+	u_char	ar_tpa[];	/* target protocol address */
+#endif	/* notdef */
+};
+
+/**
+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 */
+	struct ether_addr arp_sha;	/* sender hardware address */
+	u_char	arp_spa[4];		/* sender protocol address */
+	struct ether_addr arp_tha;	/* target hardware address */
+	u_char	arp_tpa[4];		/* target protocol address */
+};
+
+/**
+ARP ioctl request
+*/
+struct arpreq {
+	struct	sockaddr arp_pa;		/* protocol address */
+	struct	sockaddr arp_ha;		/* hardware address */
+	int	arp_flags;			/* flags */
+};
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _NETINET_ARP_H */