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/* Functions for storing Ethernet addresses in ASCII and mapping to hostnames.
Copyright (C) 1996, 1997, 1999 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _NETINET_ETHER_H
#define _NETINET_ETHER_H 1
#include <features.h>
/* Get definition of `struct ether_addr'. */
#include <netinet/if_ether.h>
#define ETHER_FILE_NAME "/etc/ethers"
__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;
libc_hidden_proto(ether_ntoa_r)
/* 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;
libc_hidden_proto(ether_aton_r)
/* 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 */
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