|  | /* Functions for storing Ethernet addresses in ASCII and mapping to hostnames. | 
|  | Copyright (C) 1996-2016 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  |  | 
|  | The GNU C Library is free software; you can redistribute it and/or | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, see | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #ifndef _NETINET_ETHER_H | 
|  | #define _NETINET_ETHER_H	1 | 
|  |  | 
|  | #include <features.h> | 
|  |  | 
|  | /* Get definition of `struct ether_addr'.  */ | 
|  | #include <netinet/if_ether.h> | 
|  |  | 
|  | __BEGIN_DECLS | 
|  |  | 
|  | /* Convert 48 bit Ethernet ADDRess to ASCII.  */ | 
|  | extern char *ether_ntoa (const struct ether_addr *__addr) __THROW; | 
|  | extern char *ether_ntoa_r (const struct ether_addr *__addr, char *__buf) | 
|  | __THROW; | 
|  |  | 
|  | /* Convert ASCII string S to 48 bit Ethernet address.  */ | 
|  | extern struct ether_addr *ether_aton (const char *__asc) __THROW; | 
|  | extern struct ether_addr *ether_aton_r (const char *__asc, | 
|  | struct ether_addr *__addr) __THROW; | 
|  |  | 
|  | /* Map 48 bit Ethernet number ADDR to HOSTNAME.  */ | 
|  | extern int ether_ntohost (char *__hostname, const struct ether_addr *__addr) | 
|  | __THROW; | 
|  |  | 
|  | /* Map HOSTNAME to 48 bit Ethernet address.  */ | 
|  | extern int ether_hostton (const char *__hostname, struct ether_addr *__addr) | 
|  | __THROW; | 
|  |  | 
|  | /* Scan LINE and set ADDR and HOSTNAME.  */ | 
|  | extern int ether_line (const char *__line, struct ether_addr *__addr, | 
|  | char *__hostname) __THROW; | 
|  |  | 
|  | __END_DECLS | 
|  |  | 
|  | #endif /* netinet/ether.h */ |