1 /* Functions for storing Ethernet addresses in ASCII and mapping to hostnames. 2 Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 18 19 #ifndef _NETINET_ETHER_H 20 #define _NETINET_ETHER_H 1 21 22 #include <features.h> 23 24 /* Get definition of `struct ether_addr'. */ 25 #include <netinet/if_ether.h> 26 27 #ifdef _LIBC 28 #define ETHER_FILE_NAME "/etc/ethers" 29 #endif 30 31 __BEGIN_DECLS 32 33 #if defined __UCLIBC_HAS_SOCKET__ || defined __UCLIBC_HAS_IPV4__ || \ 34 defined __UCLIBC_HAS_IPV6__ 35 /* Convert 48 bit Ethernet ADDRess to ASCII. */ 36 extern char *ether_ntoa (const struct ether_addr *__addr) __THROW; 37 extern char *ether_ntoa_r (const struct ether_addr *__addr, char *__buf) 38 __THROW; 39 libc_hidden_proto(ether_ntoa_r) 40 41 /* Convert ASCII string S to 48 bit Ethernet address. */ 42 extern struct ether_addr *ether_aton (const char *__asc) __THROW; 43 extern struct ether_addr *ether_aton_r (const char *__asc, 44 struct ether_addr *__addr) __THROW; 45 libc_hidden_proto(ether_aton_r) 46 47 /* Map 48 bit Ethernet number ADDR to HOSTNAME. */ 48 extern int ether_ntohost (char *__hostname, const struct ether_addr *__addr) 49 __THROW; 50 51 /* Map HOSTNAME to 48 bit Ethernet address. */ 52 extern int ether_hostton (const char *__hostname, struct ether_addr *__addr) 53 __THROW; 54 55 /* Scan LINE and set ADDR and HOSTNAME. */ 56 extern int ether_line (const char *__line, struct ether_addr *__addr, 57 char *__hostname) __THROW; 58 #endif 59 60 __END_DECLS 61 62 #endif /* netinet/ether.h */ 63