inet/netinet/ether.h

   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 Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    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    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 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.  */
  31 extern char *ether_ntoa (__const struct ether_addr *__addr) __THROW;
  32 extern char *ether_ntoa_r (__const struct ether_addr *__addr, char *__buf)
  33      __THROW;
  34
  35 /* Convert ASCII string S to 48 bit Ethernet address.  */
  36 extern struct ether_addr *ether_aton (__const char *__asc) __THROW;
  37 extern 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.  */
  41 extern int ether_ntohost (char *__hostname, __const struct ether_addr *__addr)
  42      __THROW;
  43
  44 /* Map HOSTNAME to 48 bit Ethernet address.  */
  45 extern int ether_hostton (__const char *__hostname, struct ether_addr *__addr)
  46      __THROW;
  47
  48 /* Scan LINE and set ADDR and HOSTNAME.  */
  49 extern int ether_line (__const char *__line, struct ether_addr *__addr,
  50                        char *__hostname) __THROW;
  51
  52 __END_DECLS
  53
  54 #endif /* netinet/ether.h */