OPENDIR(3) Linux Programmer's Manual OPENDIR(3)NAMEopendir - open a directory
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. On
error, NULL is returned, and errno is set appropriately.
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
SVr4, 4.3BSD, POSIX.1-2001.
SEE ALSOopen(2), closedir(3), dirfd(3), readdir(3), rewinddir(3), scandir(3),
seekdir(3), telldir(3)
1995-06-11 OPENDIR(3)