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Annotation of 43BSDTahoe/sys/netinet/in_var.h, revision 1.1.1.1

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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