The directory access functions provide an API for iterating through the entries within a directory. The fs_opendir() function initiates this procedure, and each subsequent call to fs_readdir_r() (until all entries have been examined) returns information about a particular entry in a struct fs_dirent. The fs_closedir() function releases any file system structures and locks.
The listing below gives an example using the directory access functions to list the files in a directory.
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