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+/* Copyright (C) 1996 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>
+
+#define __need_FILE
+#include <stdio.h>
+#define __need_time_t
+#include <time.h>
+
+/* Paths to the userd files. */
+#define SHADOW "/etc/shadow"
+
+
+__BEGIN_DECLS
+
+/* Structure of the password file. */
+struct spwd
+{
+ char *sp_namp; /* Login name. */
+ char *sp_pwdp; /* Encrypted password. */
+ __time_t sp_lstchg; /* Date of last change. */
+ __time_t sp_min; /* Minimum number of days between changes. */
+ __time_t sp_max; /* Maximum number of days between changes. */
+ __time_t sp_warn; /* Number of days to warn user to change
+ the password. */
+ __time_t sp_inact; /* Number of days the account may be
+ inactive. */
+ __time_t sp_expire; /* Number of days since 700101 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_REENTRANT
+/* Reentrant versions of some of the functions above. */
+extern struct spwd *__getspent_r __P ((struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+extern struct spwd *getspent_r __P ((struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+
+extern struct spwd *__getspnam_r __P ((__const char *__name,
+ struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+extern struct spwd *getspnam_r __P ((__const char *__name,
+ struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+
+extern struct spwd *__sgetspent_r __P ((__const char *__string,
+ struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+extern struct spwd *sgetspent_r __P ((__const char *__string,
+ struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+
+extern struct spwd *__fgetspent_r __P ((FILE *__stream,
+ struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+extern struct spwd *fgetspent_r __P ((FILE *__stream,
+ struct spwd *__result_buf,
+ char *__buffer, int __buflen));
+#endif /* reentrant */
+
+__END_DECLS
+
+#endif /* shadow.h */