1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *  * Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *  * Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *    the documentation and/or other materials provided with the
13  *    distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _IFADDRS_H_
30 #define _IFADDRS_H_
31 
32 #include <sys/cdefs.h>
33 #include <netinet/in.h>
34 #include <sys/socket.h>
35 
36 __BEGIN_DECLS
37 
38 struct ifaddrs {
39   struct ifaddrs* ifa_next;
40   char* ifa_name;
41   unsigned int ifa_flags;
42   struct sockaddr* ifa_addr;
43   struct sockaddr* ifa_netmask;
44   union {
45     struct sockaddr* ifu_broadaddr;
46     struct sockaddr* ifu_dstaddr;
47   } ifa_ifu;
48   void* ifa_data;
49 };
50 
51 #define ifa_broadaddr ifa_ifu.ifu_broadaddr
52 #define ifa_dstaddr ifa_ifu.ifu_dstaddr
53 
54 void freeifaddrs(struct ifaddrs*);
55 int getifaddrs(struct ifaddrs**);
56 
57 __END_DECLS
58 
59 #endif
60