/* Copyright (C) 1996-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#ifndef _ALIASES_H

#define _ALIASES_H	1

#include <features.h>

#include <sys/types.h>

__BEGIN_DECLS

/* Structure to represent one entry of the alias data base.  */

struct aliasent

  {

    char *alias_name;

    size_t alias_members_len;

    char **alias_members;

    int alias_local;

  };

/* Open alias data base files.  */

extern void setaliasent (void) __THROW;

/* Close alias data base files.  */

extern void endaliasent (void) __THROW;

/* Get the next entry from the alias data base.  */

extern struct aliasent *getaliasent (void) __THROW;

/* Get the next entry from the alias data base and put it in RESULT_BUF.  */

extern int getaliasent_r (struct aliasent *__restrict __result_buf,

			  char *__restrict __buffer, size_t __buflen,

			  struct aliasent **__restrict __result) __THROW;

/* Get alias entry corresponding to NAME.  */

extern struct aliasent *getaliasbyname (const char *__name) __THROW;

/* Get alias entry corresponding to NAME and put it in RESULT_BUF.  */

extern int getaliasbyname_r (const char *__restrict __name,

			     struct aliasent *__restrict __result_buf,

			     char *__restrict __buffer, size_t __buflen,

			     struct aliasent **__restrict __result) __THROW;

__END_DECLS

#endif /* aliases.h */