pub unsafe extern "C" fn dc_parser_samples_foreach(
parser: *mut dc_parser_t,
callback: dc_sample_callback_t,
userdata: *mut c_void,
) -> dc_status_t
pub unsafe extern "C" fn dc_parser_samples_foreach(
parser: *mut dc_parser_t,
callback: dc_sample_callback_t,
userdata: *mut c_void,
) -> dc_status_t