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neelimap
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/*
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******************************************************************************
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* INTERPEAK API HEADER FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipnet_icmp6.h,v $ $Revision: 1.24.10.1 $
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* $Source: /home/interpeak/CVSRoot/ipnet2/src/ipnet_icmp6.h,v $
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* $Author: svc-cmnet $ $Date: 2013-03-13 07:45:37 $
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* $State: Exp $ $Locker: $
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*
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* Copyright Interpeak AB 2000-2004 <www.interpeak.se>. All rights reserved.
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* Design and implementation by Kenneth Jonsson <kenneth@interpeak.se>
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******************************************************************************
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*/
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#ifndef IPNET_ICMP6_H
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#define IPNET_ICMP6_H
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#include "ipnet_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#include <ipcom_type.h>
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#include <ipcom_cstyle.h>
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#include "ipnet_ip6.h"
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#include "ipnet_route.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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/* Router Solicitation is disabled on a link if the 'inet6_rs_retrans_count'
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member of Ipnet_netif is set to this value */
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#define IPNET_INET6_RS_RETRANS_COUNT_DISABLED 0x00
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/* The retransmission count will be read from sysvar if the
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'inet6_rs_retrans_count' member of Ipnet_netif is set to this value */
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#define IPNET_INET6_RS_RETRANS_COUNT_NEED_INIT 0xff
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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struct Ipnet_icmp6_redirect_param
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{
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/* The IP address of the destination which is redirected to the target. */
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IP_CONST struct Ip_in6_addr *dst_addr;
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/* The neighbor entry for the better next-hop */
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IP_CONST Ipnet_neigh *next_hop;
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};
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struct Ipnet_icmp6_neighbor_sol_param
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{
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/* The IP address of the target of the solicitation. It MUST NOT be a multicast address. */
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IP_CONST struct Ip_in6_addr *target_addr;
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};
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struct Ipnet_icmp6_neighbor_adv_param
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{
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IP_CONST struct Ip_in6_addr *target_addr;
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/* Neighbor entry matching the ND request */
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IP_CONST Ipnet_neigh *neigh;
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/* Set to 0 if this is a host */
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Ip_u8 is_router;
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/* Set to 0 if the solicated flag should not be set */
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Ip_u8 solicated;
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/* Set to 0 if the override flag should not be set */
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Ip_u8 override;
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};
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struct Ipnet_icmp6_mld_param
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{
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/* The multicast address to create a report for. */
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Ipnet_ip6_addr_entry *addr_entry;
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};
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typedef struct Ipnet_icmp6_param_struct
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{
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/*
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* The interface to use if the packet is sent to a scoped
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* (link-local) address
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*/
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Ip_u32 ifindex;
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/* The packet that caused the ICMP response */
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Ipcom_pkt *recv_pkt;
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/* The virtual router to use when sending the ICMPv6 packet */
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Ip_u16 vr;
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/* The the ICMPv6 message type */
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Ip_u8 type;
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/* The value to use in the code field */
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Ip_u8 code;
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/* If this ICMPv6 message is subject to throttling */
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Ip_bool rate_limit;
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/*
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* The address to use as source address, can be IP_NULL (IPNET
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* will then use the link-local address of the outgoing interface)
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*/
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IP_CONST struct Ip_in6_addr *from;
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/*
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* The address to which the ICMP message should be sent, must not
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* be IP_NULL
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*/
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IP_CONST struct Ip_in6_addr *to;
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/* VRRP ID of this packet */
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Ip_u8 vrid;
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union
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{
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struct Ipnet_icmp6_redirect_param redirect;
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struct Ipnet_icmp6_neighbor_sol_param neigbor_sol;
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struct Ipnet_icmp6_neighbor_adv_param neighbor_adv;
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Ip_u32 pkt_to_big_mtu;
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Ip_u32 param_prob_pointer;
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struct Ipnet_icmp6_mld_param mld;
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} data;
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}
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Ipnet_icmp6_param;
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/*
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****************************************************************************
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* 6 FUNCTIONS
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****************************************************************************
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*/
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IP_GLOBAL Ipnet_route_entry *ipnet_icmp6_prefix_get(Ipnet_netif *netif,
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IP_CONST struct Ip_in6_addr *prefix,
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Ip_u8 prefix_len);
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IP_GLOBAL Ip_u16 ipnet_icmp6_checksum(IP_CONST struct Ip_in6_addr *src,
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IP_CONST struct Ip_in6_addr *dst,
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Ip_u16 proto,
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Ip_u16 *data,
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Ip_u16 bytes);
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IP_GLOBAL void ipnet_icmp6_param_init(Ipnet_icmp6_param *icmp6_param,
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Ipcom_pkt *pkt);
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IP_GLOBAL void ipnet_icmp6_neighbor_cache_init(Ipnet_route_entry *rt);
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IP_GLOBAL void ipnet_icmp6_input(Ipnet_dst_cache *dst, Ipcom_pkt *pkt);
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IP_GLOBAL void ipnet_icmp6_nd_probe(Ipnet_neigh *neigh, Ip_bool unicast_probe);
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IP_GLOBAL int ipnet_icmp6_send_dad(Ipnet_ip6_addr_entry *addr_entry);
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IP_GLOBAL void ipnet_icmp6_send_addr_unreachable(Ipcom_pkt *pkt);
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IP_GLOBAL void ipnet_icmp6_send_port_unreachable(Ipcom_pkt *pkt);
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IP_GLOBAL void ipnet_icmp6_send_dst_unreach(Ipcom_pkt *failing_pkt, int error_code);
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IP_GLOBAL void ipnet_icmp6_send_router_sol_msg(Ipnet_netif *netif);
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IP_GLOBAL int ipnet_icmp6_send_router_adv(Ipnet_netif *netif);
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IP_GLOBAL int ipnet_icmp6_send(Ipnet_icmp6_param *icmp6_param);
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IP_GLOBAL Ipnet_pkt_nd_opt_hdr* ipnet_icmp6_find_opts(Ipcom_pkt *pkt, int *tot_opt_len);
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IP_GLOBAL Ip_bool ipnet_icmp6_validate_options_len(Ipnet_pkt_nd_opt_hdr *first_opt, int tot_opt_len);
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IP_GLOBAL Ip_bool ipnet_icmp6_option_present(Ipcom_pkt *pkt, Ip_u8 opt);
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IP_GLOBAL Ipnet_pkt_nd_opt_hdr *ipnet_icmp6_get_option(Ipnet_pkt_nd_opt_hdr *first_opt,
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int tot_opt_len,
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Ip_u16 type,
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int nr);
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#ifdef IPNET_USE_SOURCE_SPECIFIC_MCAST
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IP_GLOBAL void ipnet_mldv2_report_change(Ipnet_netif *netif, struct Ip_in6_addr *group);
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#endif /* IPNET_USE_SOURCE_SPECIFIC_MCAST */
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IP_GLOBAL void ipnet_mld_report_filter_change(Ipnet_ip6_addr_entry *maddr);
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IP_GLOBAL void ipnet_mld_done(Ipnet_ip6_addr_entry *maddr);
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IP_GLOBAL void ipnet_icmp6_nd_delete(Ipnet_neigh *neigh);
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IP_GLOBAL Ip_bool ipnet_icmp6_default_router_change(struct Ipnet_netif_struct *netif,
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IP_CONST struct Ip_in6_addr *gw_addr,
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Ip_bool adjust_lifetime,
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Ip_u32 lifetime_sec,
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Ip_bool adjust_preference,
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Ip_bool preferred);
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IP_GLOBAL void ipnet_icmp6_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*
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****************************************************************************
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* END OF FILE
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****************************************************************************
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*/
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