Google

Edit File: dirent_ext.h

/* System-specific extensions of <dirent.h>.  Linux version.
   Copyright (C) 2019-2021 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
   <https://www.gnu.org/licenses/>.  */

#ifndef _DIRENT_H
# error "Never include <bits/dirent_ext.h> directly; use <dirent.h> instead."
#endif

__BEGIN_DECLS

#ifdef __USE_GNU
/* Read from the directory descriptor FD into LENGTH bytes at BUFFER.
   Return the number of bytes read on success (0 for end of
   directory), and -1 for failure.  */
extern __ssize_t getdents64 (int __fd, void *__buffer, size_t __length)
  __THROW __nonnull ((2));
#endif

__END_DECLS