Function svn_io_dir_remove_nonrecursive 

pub unsafe extern "C" fn svn_io_dir_remove_nonrecursive(
    dirname: *const c_char,
    pool: *mut apr_pool_t,
) -> *mut svn_error_t

Wrapper for apr_dir_remove(). @a dirname is utf8-encoded. @note This function has this name to avoid confusion with svn_io_remove_dir2(), which is recursive.