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

closedir - close a directory

#include <sys/types.h>
#include <dirent.h>
int closedir(DIR *dirp);

The closedir() function closes the directory stream associated with dirp. A successful call to closedir() also closes the underlying file descriptor associated with dirp. The directory stream descriptor dirp is not available after this call.

The closedir() function returns 0 on success. On error, -1 is returned, and errno is set appropriately.

Invalid directory stream descriptor dirp.

For an explanation of the terms used in this section, see attributes(7).
Interface Attribute Value
closedir () Thread safety MT-Safe

POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD.

close(2), opendir(3), readdir(3), rewinddir(3), scandir(3), seekdir(3), telldir(3)