Function notmuch_sys::notmuch_directory_get_child_directories

pub unsafe extern "C" fn notmuch_directory_get_child_directories(
    directory: *mut notmuch_directory_t
) -> *mut notmuch_filenames_t

Get a notmuch_filenames_t iterator listing all the filenames of sub-directories in the database within the given directory.

The returned filenames will be the basename-entries only (not complete paths).