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