Originální popis anglicky:
opendir - open a directory
Návod, kniha: Linux Programmer's Manual
#include <sys/types.h>
#include <dirent.h>
DIR *opendir(const char *name);
The
opendir() function opens a directory stream corresponding to the
directory
name, and returns a pointer to the directory stream. The
stream is positioned at the first entry in the directory.
The
opendir() function returns a pointer to the directory stream or NULL
if an error occurred.
- EACCES
- Permission denied.
- EMFILE
- Too many file descriptors in use by process.
- ENFILE
- Too many files are currently open in the system.
- ENOENT
- Directory does not exist, or name is an empty
string.
- ENOMEM
- Insufficient memory to complete the operation.
- ENOTDIR
- name is not a directory.
The underlying file descriptor of the directory stream can be obtained using
dirfd(3).
SVID 3, POSIX, BSD 4.3
open(2),
closedir(3),
dirfd(3),
readdir(3),
rewinddir(3),
scandir(3),
seekdir(3),
telldir(3)
