pub unsafe extern "C" fn pdf_update_object(
ctx: *mut fz_context,
doc: *mut pdf_document,
num: c_int,
obj: *mut pdf_obj,
)pub unsafe extern "C" fn pdf_update_object(
ctx: *mut fz_context,
doc: *mut pdf_document,
num: c_int,
obj: *mut pdf_obj,
)