Provided by: manpages-pt-dev_20040726-5_all 

NAME
readdir - read a directory
SYNOPSIS
#include <sys/types.h>
#include <dirent.h>
struct dirent *readdir(DIR *dir);
DESCRIPTION
The readdir() function returns a pointer to a dirent structure representing the next directory entry in
the directory stream pointed to by dir. It returns NULL on reaching the end-of-file or if an error
occurred.
The data returned by readdir() is overwritten by subsequent calls to readdir() for the same directory
stream.
According to POSIX, the dirent structure contains a field char d_name[] of unspecified size, with at most
NAME_MAX characters preceding the terminating null character. Use of other fields will harm the
portability of your programs.
RETURN VALUE
The readdir() function returns a pointer to a dirent structure, or NULL if an error occurs or end-of-file
is reached.
ERRORS
EBADF Invalid directory stream descriptor dir.
CONFORMING TO
SVID 3, POSIX, BSD 4.3
SEE ALSO
read(2), opendir(3), closedir(3), rewinddir(3), seekdir(3), telldir(3), scandir(3)
22 April 1996 READDIR(3)