pub unsafe extern "C" fn heif_region_item_get_list_of_regions(
region_item: *const heif_region_item,
out_regions_array: *mut *mut heif_region,
max_count: c_int
) -> c_intpub unsafe extern "C" fn heif_region_item_get_list_of_regions(
region_item: *const heif_region_item,
out_regions_array: *mut *mut heif_region,
max_count: c_int
) -> c_int