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Annotation of 43BSDReno/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 is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)in_var.h    7.6 (Berkeley) 6/28/90
        !            21:  */
        !            22: 
        !            23: /*
        !            24:  * Interface address, Internet version.  One of these structures
        !            25:  * is allocated for each interface with an Internet address.
        !            26:  * The ifaddr structure contains the protocol-independent part
        !            27:  * of the structure and is assumed to be first.
        !            28:  */
        !            29: struct in_ifaddr {
        !            30:        struct  ifaddr ia_ifa;          /* protocol-independent info */
        !            31: #define        ia_ifp          ia_ifa.ifa_ifp
        !            32: #define ia_flags       ia_ifa.ifa_flags
        !            33:                                        /* ia_{,sub}net{,mask} in host order */
        !            34:        u_long  ia_net;                 /* network number of interface */
        !            35:        u_long  ia_netmask;             /* mask of net part */
        !            36:        u_long  ia_subnet;              /* subnet number, including net */
        !            37:        u_long  ia_subnetmask;          /* mask of subnet part */
        !            38:        struct  in_addr ia_netbroadcast; /* to recognize net broadcasts */
        !            39:        struct  in_ifaddr *ia_next;     /* next in list of internet addresses */
        !            40:        struct  sockaddr_in ia_addr;    /* reserve space for interface name */
        !            41:        struct  sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */
        !            42: #define        ia_broadaddr    ia_dstaddr
        !            43:        struct  sockaddr_in ia_sockmask; /* reserve space for general netmask */
        !            44: };
        !            45: 
        !            46: struct in_aliasreq {
        !            47:        char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
        !            48:        struct  sockaddr_in ifra_addr;
        !            49:        struct  sockaddr_in ifra_broadaddr;
        !            50: #define ifra_dstaddr ifra_broadaddr
        !            51:        struct  sockaddr_in ifra_mask;
        !            52: };
        !            53: /*
        !            54:  * Given a pointer to an in_ifaddr (ifaddr),
        !            55:  * return a pointer to the addr as a sockaddr_in.
        !            56:  */
        !            57: #define        IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
        !            58: 
        !            59: #ifdef KERNEL
        !            60: struct in_ifaddr *in_ifaddr;
        !            61: struct in_ifaddr *in_iaonnetof();
        !            62: struct ifqueue ipintrq;                /* ip packet input queue */
        !            63: #endif

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