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# dirio.h: checked directory operations.
#
# Copyright (C) 1992, 2011 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#ifndef DIRIO_H
#define DIRIO_H
#if DIRENT || _POSIX_VERSION
#include <dirent.h>
#define NLENGTH(dirent) strlen ((dirent)->d_name)
#else /* not (DIRENT or _POSIX_VERSION) */
#define dirent direct
#define NLENGTH(dirent) ((dirent)->d_namlen)
#ifdef SYSNDIR
#include <sys/ndir.h>
#endif
#ifdef NDIR
#include <ndir.h>
#endif
#ifdef SYSDIR
#include <sys/dir.h>
#endif
#endif /* not (DIRENT or _POSIX_VERSION) */
/* Like opendir, closedir, and chdir, but abort if DIRNAME can't be opened. */
extern DIR *xopendir P1H(string dirname);
extern void xclosedir P1H(DIR *);
#if 0
/* Returns true if FN is a directory (or a symlink to a directory). */
extern boolean dir_p P1H(string fn);
#endif
/* Returns true if FN is directory with no subdirectories. */
extern boolean leaf_dir_p P1H(string fn);
#endif /* not DIRIO_H */
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