#ifndef _DIRENT_H
#define _DIRENT_H

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>

#define __NEED_ino_t
#define __NEED_off_t
#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
#define __NEED_size_t
#endif

#include <bits/alltypes.h>

typedef struct __dirstream DIR;

struct dirent {
  ino_t d_ino;
  off_t d_off;
  unsigned short d_reclen;
  unsigned char d_type;
  char d_name[256];
};

#define d_fileno d_ino

int closedir(DIR*);
DIR* fdopendir(int);
DIR* opendir(const char*);
struct dirent* readdir(DIR*);
int readdir_r(DIR* __restrict,
              struct dirent* __restrict,
              struct dirent** __restrict);
void rewinddir(DIR*);
void seekdir(DIR*, long);
long telldir(DIR*);
int dirfd(DIR*);

int alphasort(const struct dirent**, const struct dirent**);
int scandir(const char*,
            struct dirent***,
            int (*)(const struct dirent*),
            int (*)(const struct dirent**, const struct dirent**));

#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define DT_UNKNOWN 0
#define DT_FIFO 1
#define DT_CHR 2
#define DT_DIR 4
#define DT_BLK 6
#define DT_REG 8
#define DT_LNK 10
#define DT_SOCK 12
#define DT_WHT 14
#define IFTODT(x) ((x) >> 12 & 017)
#define DTTOIF(x) ((x) << 12)
int getdents(int, struct dirent*, size_t);
#endif

#ifdef _GNU_SOURCE
int versionsort(const struct dirent**, const struct dirent**);
#endif

#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
#define dirent64 dirent
#define readdir64 readdir
#define readdir64_r readdir_r
#define scandir64 scandir
#define alphasort64 alphasort
#define versionsort64 versionsort
#define off64_t off_t
#define ino64_t ino_t
#define getdents64 getdents
#endif

#ifdef __cplusplus
}
#endif

#endif