include/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 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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _NETINET_ETHER_H
  20 #define _NETINET_ETHER_H        1
  21
  22 #include <features.h>
  23
  24 /* Get definition of `struct ether_addr'.  */
  25 #include <netinet/if_ether.h>
  26
  27 #ifdef _LIBC
  28 #define ETHER_FILE_NAME "/etc/ethers"
  29 #endif
  30
  31 __BEGIN_DECLS
  32
  33 #if defined __UCLIBC_HAS_SOCKET__ || defined __UCLIBC_HAS_IPV4__ || \
  34         defined __UCLIBC_HAS_IPV6__
  35 /* Convert 48 bit Ethernet ADDRess to ASCII.  */
  36 extern char *ether_ntoa (const struct ether_addr *__addr) __THROW;
  37 extern char *ether_ntoa_r (const struct ether_addr *__addr, char *__buf)
  38      __THROW;
  39 libc_hidden_proto(ether_ntoa_r)
  40
  41 /* Convert ASCII string S to 48 bit Ethernet address.  */
  42 extern struct ether_addr *ether_aton (const char *__asc) __THROW;
  43 extern struct ether_addr *ether_aton_r (const char *__asc,
  44                                         struct ether_addr *__addr) __THROW;
  45 libc_hidden_proto(ether_aton_r)
  46
  47 /* Map 48 bit Ethernet number ADDR to HOSTNAME.  */
  48 extern int ether_ntohost (char *__hostname, const struct ether_addr *__addr)
  49      __THROW;
  50
  51 /* Map HOSTNAME to 48 bit Ethernet address.  */
  52 extern int ether_hostton (const char *__hostname, struct ether_addr *__addr)
  53      __THROW;
  54
  55 /* Scan LINE and set ADDR and HOSTNAME.  */
  56 extern int ether_line (const char *__line, struct ether_addr *__addr,
  57                        char *__hostname) __THROW;
  58 #endif
  59
  60 __END_DECLS
  61
  62 #endif /* netinet/ether.h */