1 /* Copyright (C) 1996-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef __NETINET_IF_ETHER_H 19 #define __NETINET_IF_ETHER_H 1 20 21 #include <sys/types.h> 22 #include <stdint.h> 23 24 #define ETH_ALEN 6 /* Octets in one ethernet address. */ 25 26 /* This is a name for the 48 bit ethernet address available on many 27 systems. */ 28 struct ether_addr 29 { 30 uint8_t ether_addr_octet[ETH_ALEN]; 31 } __attribute__ ((__packed__)); 32 33 #endif /* netinet/if_ether.h */ 34