1/*
2* This program is free software; you can redistribute it and/or modify
3* it under the terms of the GNU General Public License as published by
4* the Free Software Foundation; either version 2 of the License, or
5* (at your option) any later version.
6*
7* This program is distributed in the hope that it will be useful,
8* but WITHOUT ANY WARRANTY; without even the implied warranty of
9* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10* GNU General Public License for more details.
11*
12* You should have received a copy of the GNU General Public License
13* along with this program; if not, write to the Free Software
14* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
15*/
16
17/* All data returned by the network data base library are supplied in
18   host order and returned in network order (suitable for use in
19   system calls).  */
20
21#ifndef	_ETHERNETDB_H
22#define	_ETHERNETDB_H	1
23
24#include <features.h>
25#include <netinet/in.h>
26#include <stdint.h>
27
28/* Absolute file name for network data base files.  */
29#ifndef	_PATH_ETHERTYPES
30#define	_PATH_ETHERTYPES	"/etc/ethertypes"
31#endif				/* _PATH_ETHERTYPES */
32
33struct ethertypeent {
34	char *e_name;		/* Official ethernet type name.  */
35	char **e_aliases;	/* Alias list.  */
36	int e_ethertype;	/* Ethernet type number.  */
37};
38
39/* Open ethertype data base files and mark them as staying open even
40   after a later search if STAY_OPEN is non-zero.  */
41extern void setethertypeent(int __stay_open) __THROW;
42
43/* Close ethertype data base files and clear `stay open' flag.  */
44extern void endethertypeent(void) __THROW;
45
46/* Get next entry from ethertype data base file.  Open data base if
47   necessary.  */
48extern struct ethertypeent *getethertypeent(void) __THROW;
49
50/* Return entry from ethertype data base for network with NAME.  */
51extern struct ethertypeent *getethertypebyname(__const char *__name)
52    __THROW;
53
54/* Return entry from ethertype data base which number is PROTO.  */
55extern struct ethertypeent *getethertypebynumber(int __ethertype) __THROW;
56
57
58#endif				/* ethernetdb.h */
59