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 to indicate the error.

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