Function gio_2_0_sys::g_output_stream_printf

pub unsafe extern "C" fn g_output_stream_printf(
    stream: *mut GOutputStream, 
    bytes_written: *mut gsize, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError, 
    format: *const gchar,
     ...
) -> gboolean