opendir: otevřete adresář

Originální popis anglicky: opendir - open a directory

Návod, kniha: Linux Programmer's Manual

STRUČNĚ

#include <sys/types.h>
 
#include <dirent.h>
 
DIR *opendir(const char *name);

POPIS / INSTRUKCE

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.

NÁVRATOVÁ HODNOTA

The opendir() function returns a pointer to the directory stream or NULL if an error occurred.

CHYBY / ERRORY

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.

NOTES

The underlying file descriptor of the directory stream can be obtained using dirfd(3).

ODPOVÍDAJÍCÍ

SVID 3, POSIX, BSD 4.3

SOUVISEJÍCÍ

open(2), closedir(3), dirfd(3), readdir(3), rewinddir(3), scandir(3), seekdir(3), telldir(3)