4.3BSD - /usr/src/sys/netinet/in_var.h

   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

Defined variables

Defined struct's

Defined macros

Usage of this include