pub unsafe extern "C" fn dwfl_module_register_names(
    mod_: *mut Dwfl_Module,
    callback: Option<unsafe extern "C" fn(arg: *mut c_void, regno: c_int, setname: *const c_char, prefix: *const c_char, regname: *const c_char, bits: c_int, type_: c_int) -> c_int>,
    arg: *mut c_void
) -> c_int