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OPENDIR (3) | C library functions | Unix Manual Pages | :man▋

NAME

opendir - open a directory

CONTENTS

Synopsis
Description
Errors
Notes

SYNOPSIS



#include <sys/types.h>




#include <dirent.h>



"DIR *opendir(const char *"name);

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.

"RETURN VALUE"

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

ERRORS

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).

"CONFORMING TO"

SVID 3, POSIX, BSD 4.3

"SEE ALSO"

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

 
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