Function gio_sys::g_data_input_stream_read_upto_async

pub unsafe extern "C" fn g_data_input_stream_read_upto_async(
    stream: *mut GDataInputStream,
    stop_chars: *const c_char,
    stop_chars_len: ssize_t,
    io_priority: c_int,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer
)