original files of m241
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neelimap
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/* hostLib.h - public header for hostLib files */
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/*
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* Copyright (c) 1984-2007 Wind River Systems, Inc.
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*
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* The right to copy, distribute or otherwise make use of this software
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* may be licensed only pursuant to the terms of an applicable Wind River
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* license agreement. No license to Wind River intellectual property rights
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* is granted herein. All rights not licensed by Wind River are reserved
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* by Wind River.
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*/
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/*
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modification history
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--------------------
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02n,09jan12,h_x Move extern "C" after last header file include.
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02m,23aug07,tkf Add scopeStr field to ADDR6 as part of the fix for
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CQ:WIND00102553
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02l,07jun07,tkf Remove #ifdef INET from around ADDR4 (WIND00095796)
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02k,24apr07,tkf Add IPv6-Only build support.
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02j,27feb07,dlk Remove freehostent() prototype. Add HOSTENT_ALLOC_* defines.
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02i,12feb07,dlk Add rtpHostLibInit() prototype.
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02h,21nov06,tlu Remove errCode from structure addrinfoArgs
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02g,08nov06,tkf Corrected misplacement of freehostent declaration. Also added
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wrapperHostLib.h for backwards compatibility.
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02f,16oct06,kch Added addrinfoArgs definition for passing arguments to sysctl.
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02e,28sep06,kch Restore freehostent() prototype.
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02d,16sep06,tlu Remove getservbyport(), getservbyname(), getnameinfo(),
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getaddrinfo(), gethostbyaddr(), gethostbyname(),
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freeaddrinfo(), freehostent(), gethostname(), sethostname(),
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gai_strerror(), those function prototyping were moved to
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wrapper/wrapperHostLib.h
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02c,24aug06,tkf Remove gethostbynameInit() and gethostbyaddrInit()
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prototypes.
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02b,19jun06,jpb Removed I960 check.
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02a,28jun05,vvv updated gethostbynameInit() prototype
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01z,07feb05,vvv _KERNEL cleanup
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01y,14jan05,vvv osdep.h cleanup
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01x,22sep04,dlk Added declaration for hostTblSetup().
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01w,23aug04,rp merged from COMP_WN_IPV6_BASE6_ITER5_TO_UNIFIED_PRE_MERGE
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01v,07dec03,vvv moved definition of struct hostArgs from hostLib.c; moved
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definition of getnameinfoArgs from getnameinfo.c
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01u,24nov03,vvv updated for RTP support
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01t,20nov03,niq Remove copyright_wrs.h file inclusion
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01s,05nov03,cdw Removal of unnecessary _KERNEL guards.
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01r,04nov03,rlm Ran batch header path update for header re-org.
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01q,03nov03,rlm Removed wrn/coreip/ prefix from #includes for header re-org.
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01p,23oct03,rlm updated #includes for header re-org
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01o,06aug03,nee Accordion Base6 merge from ACCORDION_BASE6_MERGE_BASELINE
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label
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01n,09may03,vvv included vwModNum.h and in6.h
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01m,20feb03,ann added prototypes for gethostbyaddrInit and gethostbynameInit
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01l,06sep01,hgo modifications and extensions for IPv6
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01k,20aug97,jag added function declations for hostTblSearchByAddr(),
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hostTblSearchByName() (SPR #9175)
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01j,19may97,spm added S_hostLib_INVALID_PARAMETER error value
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01i,22sep92,rrr added support for c++
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01h,27jul92,elh Moved hostShow to netShow.
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01g,04jul92,jcf cleaned up.
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01f,26may92,rrr the tree shuffle
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01e,04oct91,rrr passed through the ansification filter
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-fixed #else and #endif
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-changed VOID to void
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-changed copyright notice
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01d,05oct90,shl added ANSI function prototypes.
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made #endif ANSI style.
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added copyright notice.
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01c,13apr89,shl added MAXHOSTNAMELEN.
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01b,04jun88,gae changed S_remLib_* to S_hostLib_*.
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01a,28may88,dnw extracted from remLib.h
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*/
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#ifndef __INChostLibh
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#define __INChostLibh
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#include <wrapper/wrapperHostLib.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <lstLib.h>
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#include <vwModNum.h>
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#include <net/if.h>
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#ifdef INET6
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#include <netinet6/in6.h>
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#endif /* INET6 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef MAXHOSTNAMELEN
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#define MAXHOSTNAMELEN 64 /* XXX already defined in param.h */
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#endif
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#define HOST_INET6_ADDR_LEN (USR_NET_IP6ADDR_LEN + IFNAMESIZ)
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/* status messages */
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#define S_hostLib_UNKNOWN_HOST (M_hostLib | 1)
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#define S_hostLib_HOST_ALREADY_ENTERED (M_hostLib | 2)
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#define S_hostLib_INVALID_PARAMETER (M_hostLib | 3)
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/* former h_errno values */
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#define S_hostLib_NETDB_INTERNAL (M_hostLib | 4) /* see errno */
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/* Authoritative Answer Host not found */
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#define S_hostLib_HOST_NOT_FOUND (M_hostLib | 5)
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/* Non-Authoritative Host not found, or SERVERFAIL */
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#define S_hostLib_TRY_AGAIN (M_hostLib | 6)
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/* Valid name, no data record of requested type */
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#define S_hostLib_NO_RECOVERY (M_hostLib | 7)
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/* Definitions for sysctl nodes under CTL_NET */
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#define HOSTLIB 3
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#define NAMEINFO 4
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#define ADDRINFO 5
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/* Options for the host library sysctl handler */
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#define HOSTADD 1
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#define HOSTDELETE 2
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#define HOSTADDRSEARCH 3
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#define HOSTNAMESEARCH 4
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#define HOSTNAMESEARCH2 5
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/* Current hostentAlloc() limits: */
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/* space allocated for address in hostent::h_addr_list[0] */
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#define HOSTENT_ALLOC_MAXADDRS 24
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/* space allocated for name in hostent::h_name */
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#define HOSTENT_ALLOC_MAXNAME (NI_MAXHOST + 1)
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/* Reentrant implementation, requiring hostentFree() of result? */
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#define GETHOSTBYNAME_REENTRANT
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#define GETHOSTBYADDR_REENTRANT
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/*
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* Structure shared by hostAdd, hostDelete and hostTblSearchByName2
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* for passing arguments to sysctl.
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*/
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struct hostArgs
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{
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char * hostName;
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int hostNameLen;
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char * hostAddr;
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int hostAddrLen;
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const struct addrinfo * pHints;
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};
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/*
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* This structure is used to pass the getnameinfo arguments from user-space
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* to the kernel using sysctl.
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*/
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struct nameinfoArgs
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{
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const struct sockaddr * sa;
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socklen_t salen;
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char * host;
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size_t hostlen;
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char * serv;
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size_t servlen;
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int flags;
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};
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/*
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* This structure is used to pass the getaddrinfo arguments from user-space
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* to the kernel using sysctl.
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*/
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struct addrinfoArgs
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{
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const char * hostname;
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int hostnamelen;
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const char * servname;
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int servnamelen;
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const struct addrinfo * hints;
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};
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#ifdef _WRS_KERNEL
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/* typdef's for hosttable access */
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typedef struct hostname_struct
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{
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struct hostname_struct *link;
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char *name;
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} HOSTNAME;
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typedef struct addr4_struct
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{
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struct in_addr addr;
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} ADDR4;
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#ifdef INET6
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typedef struct addr6_struct
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{
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struct in6_addr addr;
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uint32_t scopeId;
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char scopeStr [IFNAMSIZ];
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} ADDR6;
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#endif
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typedef union addr_union
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{
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ADDR4 addr4;
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#ifdef INET6
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ADDR6 addr6;
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#endif
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} ADDRU;
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typedef struct
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{
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NODE node;
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HOSTNAME hostName;
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int family; /* AF_INET or AF_INET6 */
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ADDRU netAddr; /* ADDR4 or ADDR6 */
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} HOSTENTRY;
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#endif /* _WRS_KERNEL */
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/* function declarations */
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#if defined(__STDC__) || defined(__cplusplus)
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extern STATUS hostAdd (char *hostName, char *hostAddr);
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extern STATUS hostDelete (char *name, char *addr);
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extern STATUS hostGetByAddr (int addr, char *name);
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extern int hostGetByName (char *name);
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extern struct hostent * hostentAlloc (void);
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extern void hostentFree (struct hostent *);
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#ifdef _WRS_KERNEL
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extern STATUS hostTblInit (void);
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extern STATUS hostTblSetup (char * pRemoteName, char * pRemoteAddr,
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char * pLocalName, char * pLocalAddr);
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extern int hostTblSearchByName (char *name);
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extern STATUS hostTblSearchByAddr (int addr, char *name);
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extern STATUS rtpHostLibInit (void);
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#endif /* _WRS_KERNEL */
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#else /* __STDC__ */
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extern STATUS hostAdd ();
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extern STATUS hostDelete ();
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extern STATUS hostGetByAddr ();
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extern int hostGetByName ();
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extern struct hostent * hostentAlloc ();
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extern void hostentFree ();
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#ifdef _WRS_KERNEL
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extern STATUS hostTblInit ();
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extern STATUS hostTblSetup ();
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extern int hostTblSearchByName ();
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extern STATUS hostTblSearchByAddr ();
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extern STATUS rtpHostLibInit ();
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#endif /* _WRS_KERNEL */
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#endif /* __STDC__ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INChostLibh */
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