inet/aliases.h

   1 /* Copyright (C) 1996 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #ifndef _ALIASES_H
  20
  21 #define _ALIASES_H      1
  22 #include <features.h>
  23
  24 #include <sys/types.h>
  25
  26
  27 __BEGIN_DECLS
  28
  29 /* Structure to represent one entry of the alias data base.  */
  30 struct aliasent
  31 {
  32   char *alias_name;
  33   size_t alias_members_len;
  34   char **alias_members;
  35   int alias_local;
  36 };
  37
  38
  39 /* Open alias data base files.  */
  40 extern void setaliasent __P ((void));
  41
  42 /* Close alias data base files.  */
  43 extern void endaliasent __P ((void));
  44
  45 /* Get the next entry from the alias data base.  */
  46 extern struct aliasent *getaliasent __P ((void));
  47
  48 /* Get alias entry corresponding to NAME.  */
  49 extern struct aliasent *getaliasbyname __P ((__const char *__name));
  50
  51 #ifdef __USE_REENTRANT
  52 /* Reentrant versions of some of the functions above.  */
  53 extern int getaliasent_r __P ((struct aliasent *__result_buf, char *__buffer,
  54                                size_t __buflen, struct aliasent **__result));
  55
  56 extern int getaliasbyname_r __P ((__const char *__name,
  57                                   struct aliasent *__result_buf,
  58                                   char *__buffer, size_t __buflen,
  59                                   struct aliasent **__result));
  60 #endif /* reentrant */
  61
  62 __END_DECLS
  63
  64 #endif /* aliases.h */