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+/* Copyright (C) 1991, 1992 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/*
+ * POSIX Standard: 5.1.2 Directory Operations <dirent.h>
+ */
+
+#ifndef _DIRENT_H
+
+#define _DIRENT_H 1
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <gnu/types.h>
+
+#define __need_size_t
+#include <stddef.h>
+
+#include <sys/types.h>
+#include <linux/limits.h>
+#include <linux/dirent.h>
+
+#if defined(__USE_GNU)
+#define d_fileno d_ino /* glibc compatibility. */
+#if 0
+#define d_namlen d_reclen /* glibc compatibility. */
+#endif
+#endif
+
+#if defined(DIRENT_ILLEGAL_ACCESS) || \
+ (defined(__SVR4_I386_ABI_L1__) && !defined(INTERNAL_LINUX_C_LIB))
+
+/* Use it at your own risk. */
+typedef struct DIR
+{
+ /* file descriptor */
+ int dd_fd;
+
+ /* offset of the next dir entry in buffer */
+ off_t dd_loc;
+
+ /* bytes of valid entries in buffer */
+ size_t dd_size;
+
+ /* -> directory buffer */
+ struct dirent *dd_buf;
+} DIR;
+
+#else
+
+/* The internal is hidden from the user. */
+typedef struct DIR DIR;
+
+#endif
+
+
+/* Open a directory stream on NAME.
+ Return a DIR stream on the directory, or NULL if it could not be opened. */
+extern DIR *opendir __P ((__const char *__name));
+
+/* Close the directory stream DIRP.
+ Return 0 if successful, -1 if not. */
+extern int closedir __P ((DIR * __dirp));
+
+/* Read a directory entry from DIRP.
+ Return a pointer to a `struct dirent' describing the entry,
+ or NULL for EOF or error. The storage returned may be overwritten
+ by a later readdir call on the same DIR stream. */
+extern struct dirent *readdir __P ((DIR * __dirp));
+
+/* Rewind DIRP to the beginning of the directory. */
+extern void rewinddir __P ((DIR * __dirp));
+
+#if defined(__USE_BSD) || defined(__USE_MISC)
+
+#ifndef MAXNAMLEN
+/* Get the definitions of the POSIX.1 limits. */
+#include <posix1_lim.h>
+
+/* `MAXNAMLEN' is the BSD name for what POSIX calls `NAME_MAX'. */
+#ifdef NAME_MAX
+#define MAXNAMLEN NAME_MAX
+#else
+#define MAXNAMLEN 255
+#endif
+#endif
+
+#include <gnu/types.h>
+
+/* Seek to position POS on DIRP. */
+extern void seekdir __P ((DIR * __dirp, __off_t __pos));
+
+/* Return the current position of DIRP. */
+extern __off_t telldir __P ((DIR * __dirp));
+
+typedef int (*__dir_select_fn_t) __P ((__const struct dirent *));
+
+typedef int (*__dir_compar_fn_t) __P ((
+ __const struct dirent * __const *,
+ __const struct dirent * __const *
+ ));
+
+/* Scan the directory DIR, calling SELECT on each directory entry.
+ Entries for which SELECT returns nonzero are individually malloc'd,
+ sorted using qsort with CMP, and collected in a malloc'd array in
+ *NAMELIST. Returns the number of entries selected, or -1 on error. */
+extern int scandir __P ((__const char *__dir,
+ struct dirent ***__namelist,
+ __dir_select_fn_t __dir_select_fn,
+ __dir_compar_fn_t __dir_compar_fn));
+
+/* Function to compare two `struct dirent's alphabetically. */
+extern int alphasort __P ((
+ __const struct dirent * __const *,
+ __const struct dirent * __const *
+ ));
+
+
+/* Read directory entries from FD into BUF, reading at most NBYTES.
+ Reading starts at offset *BASEP, and *BASEP is updated with the new
+ position after reading. Returns the number of bytes read; zero when at
+ end of directory; or -1 for errors. */
+extern __ssize_t __getdirentries __P ((int __fd, char *__buf,
+ size_t __nbytes, __off_t *__basep));
+extern __ssize_t getdirentries __P ((int __fd, char *__buf,
+ size_t __nbytes, __off_t *__basep));
+
+extern int dirfd __P ((DIR *__dirp));
+
+#endif /* Use BSD or misc. */
+
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
+extern int readdir_r __P((DIR *__dirp, struct dirent *__entry,
+ struct dirent **__result));
+#endif
+
+__END_DECLS
+
+#endif /* dirent.h */