inet/netinet/ether.h

   1 /* Functions for storing Ethernet addresses in ASCII and mapping to hostnames.
   2    Copyright (C) 1996-2021 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    <https://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 __USE_MISC
  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 #endif /* Use misc.  */
  54
  55 #endif /* netinet/ether.h */