pub unsafe extern "C" fn pdf_structure_type(
ctx: *mut fz_context,
role_map: *mut pdf_obj,
tag: *mut pdf_obj,
) -> fz_structurepub unsafe extern "C" fn pdf_structure_type(
ctx: *mut fz_context,
role_map: *mut pdf_obj,
tag: *mut pdf_obj,
) -> fz_structure