Annotation of 43BSDTahoe/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.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  *
        !            17:  *     @(#)in_var.h    7.3 (Berkeley) 6/29/88
        !            18:  */
        !            19: 
        !            20: /*
        !            21:  * Interface address, Internet version.  One of these structures
        !            22:  * is allocated for each interface with an Internet address.
        !            23:  * The ifaddr structure contains the protocol-independent part
        !            24:  * of the structure and is assumed to be first.
        !            25:  */
        !            26: struct in_ifaddr {
        !            27:        struct  ifaddr ia_ifa;          /* protocol-independent info */
        !            28: #define        ia_addr ia_ifa.ifa_addr
        !            29: #define        ia_broadaddr    ia_ifa.ifa_broadaddr
        !            30: #define        ia_dstaddr      ia_ifa.ifa_dstaddr
        !            31: #define        ia_ifp          ia_ifa.ifa_ifp
        !            32:        u_long  ia_net;                 /* network number of interface */
        !            33:        u_long  ia_netmask;             /* mask of net part */
        !            34:        u_long  ia_subnet;              /* subnet number, including net */
        !            35:        u_long  ia_subnetmask;          /* mask of net + subnet */
        !            36:        struct  in_addr ia_netbroadcast; /* broadcast addr for (logical) net */
        !            37:        int     ia_flags;
        !            38:        struct  in_ifaddr *ia_next;     /* next in list of internet addresses */
        !            39: };
        !            40: /*
        !            41:  * Given a pointer to an in_ifaddr (ifaddr),
        !            42:  * return a pointer to the addr as a sockadd_in.
        !            43:  */
        !            44: #define        IA_SIN(ia) ((struct sockaddr_in *)(&((struct in_ifaddr *)ia)->ia_addr))
        !            45: /*
        !            46:  * ia_flags
        !            47:  */
        !            48: #define        IFA_ROUTE       0x01            /* routing entry installed */
        !            49: 
        !            50: #ifdef KERNEL
        !            51: struct in_ifaddr *in_ifaddr;
        !            52: struct in_ifaddr *in_iaonnetof();
        !            53: struct ifqueue ipintrq;                /* ip packet input queue */
        !            54: #endif

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