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99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* this is a hacked version of if.h from unix to contain the stuff we need only to build named (bind) with
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the minimal amount of changes... by l. kahn */
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/*
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* Copyright (c) 1982, 1986 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef _NET_IF_H
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#define _NET_IF_H
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/* #pragma ident "@(#)if.h 1.3 93/06/30 SMI"
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/* if.h 1.26 90/05/29 SMI; from UCB 7.1 6/4/86 */
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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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* Structures defining a network interface, providing a packet
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* transport mechanism (ala level 0 of the PUP protocols).
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*
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* Each interface accepts output datagrams of a specified maximum
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* length, and provides higher level routines with input datagrams
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* received from its medium.
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*
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* Output occurs when the routine if_output is called, with three parameters:
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* (*ifp->if_output)(ifp, m, dst)
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* Here m is the mbuf chain to be sent and dst is the destination address.
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* The output routine encapsulates the supplied datagram if necessary,
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* and then transmits it on its medium.
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*
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* On input, each interface unwraps the data received by it, and either
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* places it on the input queue of a internetwork datagram routine
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* and posts the associated software interrupt, or passes the datagram to a raw
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* packet input routine.
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*
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* Routines exist for locating interfaces by their addresses
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* or for locating a interface on a certain network, as well as more general
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* routing and gateway routines maintaining information used to locate
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* interfaces. These routines live in the files if.c and route.c
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*/
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/*
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* Structure defining a queue for a network interface.
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*
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* (Would like to call this struct ``if'', but C isn't PL/1.)
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*/
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/*
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* Interface request structure used for socket
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* ioctl's. All interface ioctl's must have parameter
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* definitions which begin with ifr_name. The
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* remainder may be interface specific.
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*/
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#ifdef FD_SETSIZE
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#undef FD_SETSIZE
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#endif
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#define FD_SETSIZE 512
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#include <winsock.h>
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typedef char *caddr_t;
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int get_winnt_interfaces();
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struct ifreq {
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#define IFNAMSIZ 16
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char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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struct sockaddr ifru_addr;
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char nt_mask[IFNAMSIZ]; /* new field to store mask returned from nt lookup l. kahn */
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#define ifr_addr ifru_addr /* address */
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#define ifr_mask nt_mask /* nt mask in character form */
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};
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/*
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* Structure used in SIOCGIFCONF request.
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* Used to retrieve interface configuration
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* for machine (useful for programs which
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* must know all networks accessible).
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*/
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struct ifconf {
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int ifc_len; /* size of associated buffer */
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union {
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caddr_t ifcu_buf;
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struct ifreq *ifcu_req;
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} ifc_ifcu;
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#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
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#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NET_IF_H */
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