#pragma once

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>

#define __NEED_dev_t
#define __NEED_ino_t
#define __NEED_mode_t
#define __NEED_nlink_t
#define __NEED_uid_t
#define __NEED_gid_t
#define __NEED_off_t
#define __NEED_time_t
#define __NEED_blksize_t
#define __NEED_blkcnt_t
#define __NEED_struct_timespec

#include <bits/alltypes.h>

#include <bits/stat.h>

#define st_atime st_atim.tv_sec
#define st_mtime st_mtim.tv_sec
#define st_ctime st_ctim.tv_sec

#define S_IFMT 0170000

#define S_IFDIR 0040000
#define S_IFCHR 0020000
#define S_IFBLK 0060000
#define S_IFREG 0100000
#define S_IFIFO 0010000
#define S_IFLNK 0120000
#define S_IFSOCK 0140000

#define S_TYPEISMQ(buf) 0
#define S_TYPEISSEM(buf) 0
#define S_TYPEISSHM(buf) 0
#define S_TYPEISTMO(buf) 0

#define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)
#define S_ISCHR(mode) (((mode)&S_IFMT) == S_IFCHR)
#define S_ISBLK(mode) (((mode)&S_IFMT) == S_IFBLK)
#define S_ISREG(mode) (((mode)&S_IFMT) == S_IFREG)
#define S_ISFIFO(mode) (((mode)&S_IFMT) == S_IFIFO)
#define S_ISLNK(mode) (((mode)&S_IFMT) == S_IFLNK)
#define S_ISSOCK(mode) (((mode)&S_IFMT) == S_IFSOCK)

#ifndef S_IRUSR
#define S_ISUID 04000
#define S_ISGID 02000
#define S_ISVTX 01000
#define S_IRUSR 0400
#define S_IWUSR 0200
#define S_IXUSR 0100
#define S_IRWXU 0700
#define S_IRGRP 0040
#define S_IWGRP 0020
#define S_IXGRP 0010
#define S_IRWXG 0070
#define S_IROTH 0004
#define S_IWOTH 0002
#define S_IXOTH 0001
#define S_IRWXO 0007
#endif

#define UTIME_NOW 0x3fffffff
#define UTIME_OMIT 0x3ffffffe

int stat(const char* __restrict, struct stat* __restrict);
int fstat(int, struct stat*);
int lstat(const char* __restrict, struct stat* __restrict);
int fstatat(int, const char* __restrict, struct stat* __restrict, int);
int chmod(const char*, mode_t);
int fchmod(int, mode_t);
int fchmodat(int, const char*, mode_t, int);
mode_t umask(mode_t);
int mkdir(const char*, mode_t);
int mknod(const char*, mode_t, dev_t);
int mkfifo(const char*, mode_t);
int mkdirat(int, const char*, mode_t);
int mknodat(int, const char*, mode_t, dev_t);
int mkfifoat(int, const char*, mode_t);

int futimens(int, const struct timespec[2]);
int utimensat(int, const char*, const struct timespec[2], int);

#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
int lchmod(const char*, mode_t);
#define S_IREAD S_IRUSR
#define S_IWRITE S_IWUSR
#define S_IEXEC S_IXUSR
#endif

#ifdef __cplusplus
}
#endif