/* Copyright (C) 1996, 1997, 1998, 1999 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */

#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 */