--- /dev/null
+/* File tree traversal functions declarations.
+ Copyright (C) 1994-2018 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * Copyright (c) 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)fts.h 8.3 (Berkeley) 8/14/94
+ */
+
+#ifndef _FTS_H
+#define _FTS_H 1
+
+#include <features.h>
+#include <sys/types.h>
+
+
+typedef struct {
+ struct _ftsent *fts_cur; /* current node */
+ struct _ftsent *fts_child; /* linked list of children */
+ struct _ftsent **fts_array; /* sort array */
+ dev_t fts_dev; /* starting device # */
+ char *fts_path; /* path for this descent */
+ int fts_rfd; /* fd for root */
+ int fts_pathlen; /* sizeof(path) */
+ int fts_nitems; /* elements in the sort array */
+ int (*fts_compar) (const void *, const void *); /* compare fn */
+
+#define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */
+#define FTS_LOGICAL 0x0002 /* logical walk */
+#define FTS_NOCHDIR 0x0004 /* don't change directories */
+#define FTS_NOSTAT 0x0008 /* don't get stat info */
+#define FTS_PHYSICAL 0x0010 /* physical walk */
+#define FTS_SEEDOT 0x0020 /* return dot and dot-dot */
+#define FTS_XDEV 0x0040 /* don't cross devices */
+#define FTS_WHITEOUT 0x0080 /* return whiteout information */
+#define FTS_OPTIONMASK 0x00ff /* valid user option mask */
+
+#define FTS_NAMEONLY 0x0100 /* (private) child names only */
+#define FTS_STOP 0x0200 /* (private) unrecoverable error */
+ int fts_options; /* fts_open options, global flags */
+} FTS;
+
+#ifdef __USE_LARGEFILE64
+typedef struct {
+ struct _ftsent64 *fts_cur; /* current node */
+ struct _ftsent64 *fts_child; /* linked list of children */
+ struct _ftsent64 **fts_array; /* sort array */
+ dev_t fts_dev; /* starting device # */
+ char *fts_path; /* path for this descent */
+ int fts_rfd; /* fd for root */
+ int fts_pathlen; /* sizeof(path) */
+ int fts_nitems; /* elements in the sort array */
+ int (*fts_compar) (const void *, const void *); /* compare fn */
+ int fts_options; /* fts_open options, global flags */
+} FTS64;
+#endif
+
+typedef struct _ftsent {
+ struct _ftsent *fts_cycle; /* cycle node */
+ struct _ftsent *fts_parent; /* parent directory */
+ struct _ftsent *fts_link; /* next file in directory */
+ long fts_number; /* local numeric value */
+ void *fts_pointer; /* local address value */
+ char *fts_accpath; /* access path */
+ char *fts_path; /* root path */
+ int fts_errno; /* errno for this node */
+ int fts_symfd; /* fd for symlink */
+ unsigned short fts_pathlen; /* strlen(fts_path) */
+ unsigned short fts_namelen; /* strlen(fts_name) */
+
+ ino_t fts_ino; /* inode */
+ dev_t fts_dev; /* device */
+ nlink_t fts_nlink; /* link count */
+
+#define FTS_ROOTPARENTLEVEL -1
+#define FTS_ROOTLEVEL 0
+ short fts_level; /* depth (-1 to N) */
+
+#define FTS_D 1 /* preorder directory */
+#define FTS_DC 2 /* directory that causes cycles */
+#define FTS_DEFAULT 3 /* none of the above */
+#define FTS_DNR 4 /* unreadable directory */
+#define FTS_DOT 5 /* dot or dot-dot */
+#define FTS_DP 6 /* postorder directory */
+#define FTS_ERR 7 /* error; errno is set */
+#define FTS_F 8 /* regular file */
+#define FTS_INIT 9 /* initialized only */
+#define FTS_NS 10 /* stat(2) failed */
+#define FTS_NSOK 11 /* no stat(2) requested */
+#define FTS_SL 12 /* symbolic link */
+#define FTS_SLNONE 13 /* symbolic link without target */
+#define FTS_W 14 /* whiteout object */
+ unsigned short fts_info; /* user flags for FTSENT structure */
+
+#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
+#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
+ unsigned short fts_flags; /* private flags for FTSENT structure */
+
+#define FTS_AGAIN 1 /* read node again */
+#define FTS_FOLLOW 2 /* follow symbolic link */
+#define FTS_NOINSTR 3 /* no instructions */
+#define FTS_SKIP 4 /* discard node */
+ unsigned short fts_instr; /* fts_set() instructions */
+
+ struct stat *fts_statp; /* stat(2) information */
+ char fts_name[1]; /* file name */
+} FTSENT;
+
+#ifdef __USE_LARGEFILE64
+typedef struct _ftsent64 {
+ struct _ftsent64 *fts_cycle; /* cycle node */
+ struct _ftsent64 *fts_parent; /* parent directory */
+ struct _ftsent64 *fts_link; /* next file in directory */
+ long fts_number; /* local numeric value */
+ void *fts_pointer; /* local address value */
+ char *fts_accpath; /* access path */
+ char *fts_path; /* root path */
+ int fts_errno; /* errno for this node */
+ int fts_symfd; /* fd for symlink */
+ unsigned short fts_pathlen; /* strlen(fts_path) */
+ unsigned short fts_namelen; /* strlen(fts_name) */
+
+ ino64_t fts_ino; /* inode */
+ dev_t fts_dev; /* device */
+ nlink_t fts_nlink; /* link count */
+
+ short fts_level; /* depth (-1 to N) */
+
+ unsigned short fts_info; /* user flags for FTSENT structure */
+
+ unsigned short fts_flags; /* private flags for FTSENT structure */
+
+ unsigned short fts_instr; /* fts_set() instructions */
+
+ struct stat64 *fts_statp; /* stat(2) information */
+ char fts_name[1]; /* file name */
+} FTSENT64;
+#endif
+
+__BEGIN_DECLS
+#ifndef __USE_FILE_OFFSET64
+FTSENT *fts_children (FTS *, int);
+int fts_close (FTS *);
+FTS *fts_open (char * const *, int,
+ int (*)(const FTSENT **, const FTSENT **));
+FTSENT *fts_read (FTS *);
+int fts_set (FTS *, FTSENT *, int) __THROW;
+#else
+# ifdef __REDIRECT
+FTSENT *__REDIRECT (fts_children, (FTS *, int), fts64_children);
+int __REDIRECT (fts_close, (FTS *), fts64_close);
+FTS *__REDIRECT (fts_open, (char * const *, int,
+ int (*)(const FTSENT **, const FTSENT **)),
+ fts64_open);
+FTSENT *__REDIRECT (fts_read, (FTS *), fts64_read);
+int __REDIRECT_NTH (fts_set, (FTS *, FTSENT *, int), fts64_set);
+# else
+# define fts_children fts64_children
+# define fts_close fts64_close
+# define fts_open fts64_open
+# define fts_read fts64_read
+# define fts_set fts64_set
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+FTSENT64 *fts64_children (FTS64 *, int);
+int fts64_close (FTS64 *);
+FTS64 *fts64_open (char * const *, int,
+ int (*)(const FTSENT64 **, const FTSENT64 **));
+FTSENT64 *fts64_read (FTS64 *);
+int fts64_set (FTS64 *, FTSENT64 *, int) __THROW;
+#endif
+__END_DECLS
+
+#endif /* fts.h */
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