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OPENDIR(3)		   Linux Programmer's Manual		    OPENDIR(3)

NAME

opendir - 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 ALSO

open(2), closedir(3), dirfd(3), readdir(3), rewinddir(3), scandir(3), seekdir(3), telldir(3) 1995-06-11 OPENDIR(3)

1994 Man-cgi 1.15, Panagiotis Christias <christia@theseas.ntua.gr>