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, write to the Free
17   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18   02111-1307 USA.  */
19
20#ifndef _NETINET_ETHER_H
21#define _NETINET_ETHER_H	1
22
23#include <features.h>
24
25/* Get definition of `struct ether_addr'.  */
26#include <netinet/if_ether.h>
27
28__BEGIN_DECLS
29
30/* Convert 48 bit Ethernet ADDRess to ASCII.  */
31extern char *ether_ntoa (__const struct ether_addr *__addr) __THROW;
32extern char *ether_ntoa_r (__const struct ether_addr *__addr, char *__buf)
33     __THROW;
34
35/* Convert ASCII string S to 48 bit Ethernet address.  */
36extern struct ether_addr *ether_aton (__const char *__asc) __THROW;
37extern struct ether_addr *ether_aton_r (__const char *__asc,
38					struct ether_addr *__addr) __THROW;
39
40/* Map 48 bit Ethernet number ADDR to HOSTNAME.  */
41extern int ether_ntohost (char *__hostname, __const struct ether_addr *__addr)
42     __THROW;
43
44/* Map HOSTNAME to 48 bit Ethernet address.  */
45extern int ether_hostton (__const char *__hostname, struct ether_addr *__addr)
46     __THROW;
47
48/* Scan LINE and set ADDR and HOSTNAME.  */
49extern int ether_line (__const char *__line, struct ether_addr *__addr,
50		       char *__hostname) __THROW;
51
52__END_DECLS
53
54#endif /* netinet/ether.h */
55