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Annotation of 43BSD/sys/netinet/in_var.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1985, 1986 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)in_var.h    7.1 (Berkeley) 6/5/86
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Interface address, Internet version.  One of these structures
        !            11:  * is allocated for each interface with an Internet address.
        !            12:  * The ifaddr structure contains the protocol-independent part
        !            13:  * of the structure and is assumed to be first.
        !            14:  */
        !            15: struct in_ifaddr {
        !            16:        struct  ifaddr ia_ifa;          /* protocol-independent info */
        !            17: #define        ia_addr ia_ifa.ifa_addr
        !            18: #define        ia_broadaddr    ia_ifa.ifa_broadaddr
        !            19: #define        ia_dstaddr      ia_ifa.ifa_dstaddr
        !            20: #define        ia_ifp          ia_ifa.ifa_ifp
        !            21:        u_long  ia_net;                 /* network number of interface */
        !            22:        u_long  ia_netmask;             /* mask of net part */
        !            23:        u_long  ia_subnet;              /* subnet number, including net */
        !            24:        u_long  ia_subnetmask;          /* mask of net + subnet */
        !            25:        struct  in_addr ia_netbroadcast; /* broadcast addr for (logical) net */
        !            26:        int     ia_flags;
        !            27:        struct  in_ifaddr *ia_next;     /* next in list of internet addresses */
        !            28: };
        !            29: /*
        !            30:  * Given a pointer to an in_ifaddr (ifaddr),
        !            31:  * return a pointer to the addr as a sockadd_in.
        !            32:  */
        !            33: #define        IA_SIN(ia) ((struct sockaddr_in *)(&((struct in_ifaddr *)ia)->ia_addr))
        !            34: /*
        !            35:  * ia_flags
        !            36:  */
        !            37: #define        IFA_ROUTE       0x01            /* routing entry installed */
        !            38: 
        !            39: #ifdef KERNEL
        !            40: struct in_ifaddr *in_ifaddr;
        !            41: struct in_ifaddr *in_iaonnetof();
        !            42: struct ifqueue ipintrq;                /* ip packet input queue */
        !            43: #endif

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