99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/*
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* POSIX Standard: 9.2.2 User Database Access <pwd.h>
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*/
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#ifndef _PWD_H
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#define _PWD_H 1
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#include <features.h>
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__BEGIN_DECLS
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#include <gnu/types.h>
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/* The passwd structure. */
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struct passwd
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{
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char *pw_name; /* Username. */
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char *pw_passwd; /* Password. */
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__uid_t pw_uid; /* User ID. */
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__gid_t pw_gid; /* Group ID. */
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char *pw_gecos; /* Real name. */
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char *pw_dir; /* Home directory. */
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char *pw_shell; /* Shell program. */
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};
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#if defined(__USE_SVID) || defined(__USE_GNU)
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#define __need_FILE
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#include <stdio.h>
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#endif
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#ifdef __USE_GNU
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/* Return a new stream open on the password file. */
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extern FILE *__pwdopen __P ((void));
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/* Read a password entry from STREAM, filling in P.
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Return the `struct passwd' of P if successful, NULL on failure. */
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extern struct passwd *__pwdread __P ((FILE * __stream, __ptr_t __p));
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/* Return a chunk of memory containing pre-initialized data for __pwdread. */
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extern __ptr_t __pwdalloc __P ((void));
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/* Scan the password file, filling in P, until SELECTOR returns nonzero for
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an entry. Return the `struct passwd' of P if successful, NULL on
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failure. */
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extern struct passwd *__pwdscan __P ((__ptr_t *__p,
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int (*__selector) (struct passwd *)));
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#endif
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#if defined(__USE_SVID) || defined(__USE_MISC)
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/* Rewind the password-file stream. */
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extern void setpwent __P ((void));
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/* Close the password-file stream. */
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extern void endpwent __P ((void));
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/* Read an entry from the password-file stream, opening it if necessary. */
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extern struct passwd *getpwent __P ((void));
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#endif
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#ifdef __USE_SVID
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/* Read an entry from STREAM. */
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extern struct passwd *fgetpwent __P ((FILE * __stream));
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/* Write the given entry onto the given stream. */
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extern int putpwent __P ((__const struct passwd * __p, FILE * __f));
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#endif
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/* Search for an entry with a matching user ID. */
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extern struct passwd *getpwuid __P ((__uid_t __uid));
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/* Search for an entry with a matching username. */
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extern struct passwd *getpwnam __P ((__const char *__name));
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__END_DECLS
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#endif /* pwd.h */
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