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49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* Copyright (C) 1993, 1995, 1996, 2007 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _DIRSTREAM_H
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#define _DIRSTREAM_H 1
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#include <sys/types.h>
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#include <bits/libc-lock.h>
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/* Directory stream type.
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The miscellaneous Unix `readdir' implementations read directory data
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into a buffer and return `struct dirent *' pointers into it. */
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struct __dirstream
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{
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int fd; /* File descriptor. */
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__libc_lock_define (, lock) /* Mutex lock for this structure. */
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size_t allocation; /* Space allocated for the block. */
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size_t size; /* Total valid data in the block. */
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size_t offset; /* Current offset into the block. */
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off_t filepos; /* Position of next entry to read. */
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/* Directory block. */
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char data[0] __attribute__ ((aligned (__alignof__ (void*))));
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};
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#define _DIR_dirfd(dirp) ((dirp)->fd)
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#endif /* dirstream.h */
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