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opendir
Langue: en
Version: 2007-07-30 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
NAME
opendir, fdopendir - open a directorySYNOPSIS
#include <sys/types.h>
#include <dirent.h> DIR *opendir(const char *name); DIR *fdopendir(int fd);
DESCRIPTION
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 fdopendir() is like opendir(), but returns a directory stream for the directory referred to by the open file descriptor fd. After a successful call to fdopendir(), fd is used internally by the implementation, and should not otherwise be used by the application.
RETURN VALUE
The opendir() and fdopendir() functions return a pointer to the directory stream. On error, NULL is returned, and errno is set appropriately.ERRORS
- EACCES
- Permission denied.
- EBADF
- fd is not a valid file descriptor opened for reading.
- 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.
VERSIONS
fdopendir() is available in glibc since version 2.4.CONFORMING TO
opendir() is present on SVr4, 4.3BSD, and specified in POSIX.1-2001. fdopendir() is under consideration for inclusion in the next version of POSIX.1NOTES
The underlying file descriptor of the directory stream can be obtained using dirfd(3).SEE ALSO
open(2), closedir(3), dirfd(3), readdir(3), rewinddir(3), scandir(3), seekdir(3), telldir(3)Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre