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); 42 43/* Close ethertype data base files and clear `stay open' flag. */ 44extern void endethertypeent(void); 45 46/* Get next entry from ethertype data base file. Open data base if 47 necessary. */ 48extern struct ethertypeent *getethertypeent(void); 49 50/* Return entry from ethertype data base for network with NAME. */ 51extern struct ethertypeent *getethertypebyname(__const char *__name); 52 53/* Return entry from ethertype data base which number is PROTO. */ 54extern struct ethertypeent *getethertypebynumber(int __ethertype); 55 56 57#endif /* ethernetdb.h */ 58