fxlibc/include/dirent.h

#ifndef __DIRENT_H__
# define __DIRENT_H__

#ifdef __cplusplus
extern "C" {
#endif

#include <bits/types/DIR.h>
#include <sys/types.h>

#define DT_UNKNOWN   0  /* Unknown type */
#define DT_BLK       1  /* Block device */
#define DT_CHR       2  /* Character device */
#define DT_DIR       3  /* Directory */
#define DT_FIFO      4  /* FIFO */
#define DT_LNK       5  /* Symbolic link */
#define DT_REG       6  /* Regular file */
#define DT_SOCK      7  /* Socket */

/* In gint d_ino is unused; but it's required by POSIX.1. */
struct dirent {
    /* Inode number */
    ino_t d_ino;
    /* Type, to avoid doing an additional stat() on the file */
    unsigned char d_type;
    /* NUL-terminated file name */
    char d_name[];
};

/* The underlying syscall to access directory entries is getdents(2). But it
   has no unified interface and no glibc wrapper on Linux; it's basically
   hidden. So we define the API directly at the level of readdir(3). gint does
   not implement any lower-level interface and directly associates a DIR * with
   a directory file descriptor. */

/* Open a directory to inspect its contents. */
extern DIR *opendir(const char *__name);

/* Get the directory file descriptory associated with __dp. */
extern int dirfd(DIR *__dp);

/* Open a directory file descriptor to use as a directory stream. */
extern DIR *fdopendir(int __fd);

/* Read an entry from an open directory. */
extern struct dirent *readdir(DIR *__dp);

/* Get the current position within the directory. The particular value should
   not be interpreted; it is just suitable to use in seekdir(). */
extern long telldir(DIR *__dp);

/* Seek into the directory; __pos should have been returned by telldir(). */
extern void seekdir(DIR *__dp, long __pos);

/* Rewind a directory to its start. */
extern void rewinddir(DIR *__dp);

/* Close an open directory. */
extern int closedir(DIR *__dp);

#ifdef __cplusplus
}
#endif

#endif /*__DIRENT_H__*/