root/usr/src/uts/common/netinet/in_var.h
/*
 * Copyright (c) 1997-1998 by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*
 * Copyright (c) 1985, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

/*
 * Interface address, Internet version.  One of these structures
 * is allocated for each interface with an Internet address.
 * The ifaddr structure contains the protocol-independent part
 * of the structure and is assumed to be first.
 */

#ifndef _NETINET_IN_VAR_H
#define _NETINET_IN_VAR_H

/* in_var.h 1.3 88/08/19 SMI; from UCB 7.1 6/5/86       */

#ifdef  __cplusplus
extern "C" {
#endif

struct in_ifaddr {
        struct  ifaddr ia_ifa;          /* protocol-independent info */
#define ia_addr ia_ifa.ifa_addr
#define ia_broadaddr    ia_ifa.ifa_broadaddr
#define ia_dstaddr      ia_ifa.ifa_dstaddr
#define ia_ifp          ia_ifa.ifa_ifp
        ulong_t ia_net;                 /* network number of interface */
        ulong_t ia_netmask;             /* mask of net part */
        ulong_t ia_subnet;              /* subnet number, including net */
        ulong_t ia_subnetmask;          /* mask of net + subnet */
        struct  in_addr ia_netbroadcast; /* broadcast addr for (logical) net */
        int     ia_flags;
        struct  in_ifaddr *ia_next;     /* next in list of internet addresses */
};
/*
 * Given a pointer to an in_ifaddr (ifaddr),
 * return a pointer to the addr as a sockadd_in.
 */
#define IA_SIN(ia) ((struct sockaddr_in *)(&((struct in_ifaddr *)ia)->ia_addr))
/*
 * ia_flags
 */
#define IFA_ROUTE       0x01            /* routing entry installed */

#ifdef  __cplusplus
}
#endif

#endif  /* _NETINET_IN_VAR_H */