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/* Copyright (C) 1996, 1997, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Declaration of types and functions for shadow password suite. */
#ifndef _SHADOW_H
#define _SHADOW_H 1
#include <features.h>
#include <paths.h>
#define __need_FILE
#include <stdio.h>
#define __need_size_t
#include <stddef.h>
/* Paths to the user database files. */
#define SHADOW _PATH_SHADOW
__BEGIN_DECLS
/* Structure of the password file. */
struct spwd
{
char *sp_namp; /* Login name. */
char *sp_pwdp; /* Encrypted password. */
long int sp_lstchg; /* Date of last change. */
long int sp_min; /* Minimum number of days between changes. */
long int sp_max; /* Maximum number of days between changes. */
long int sp_warn; /* Number of days to warn user to change
the password. */
long int sp_inact; /* Number of days the account may be
inactive. */
long int sp_expire; /* Number of days since 1970-01-01 until
account expires. */
unsigned long int sp_flag; /* Reserved. */
};
/* Open database for reading. */
extern void setspent __P ((void));
/* Close database. */
extern void endspent __P ((void));
/* Get next entry from database, perhaps after opening the file. */
extern struct spwd *getspent __P ((void));
/* Get shadow entry matching NAME. */
extern struct spwd *getspnam __P ((__const char *__name));
/* Read shadow entry from STRING. */
extern struct spwd *sgetspent __P ((__const char *__string));
/* Read next shadow entry from STREAM. */
extern struct spwd *fgetspent __P ((FILE *__stream));
/* Write line containing shadow password entry to stream. */
extern int putspent __P ((__const struct spwd *__p, FILE *__stream));
#ifdef __USE_MISC
/* Reentrant versions of some of the functions above. */
extern int getspent_r __P ((struct spwd *__result_buf, char *__buffer,
size_t __buflen, struct spwd **__result));
extern int getspnam_r __P ((__const char *__name, struct spwd *__result_buf,
char *__buffer, size_t __buflen,
struct spwd **__result));
extern int sgetspent_r __P ((__const char *__string, struct spwd *__result_buf,
char *__buffer, size_t __buflen,
struct spwd **__result));
extern int fgetspent_r __P ((FILE *__stream, struct spwd *__result_buf,
char *__buffer, size_t __buflen,
struct spwd **__result));
#endif /* misc */
/* Protect password file against multi writers. */
extern int lckpwdf __P ((void));
/* Unlock password file. */
extern int ulckpwdf __P ((void));
__END_DECLS
#endif /* shadow.h */
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