Function gio_sys::g_output_stream_write_all

pub unsafe extern fn g_output_stream_write_all(stream: *mut GOutputStream,
                                               buffer: *mut u8,
                                               count: size_t,
                                               bytes_written: *mut size_t,
                                               cancellable: *mut GCancellable,
                                               error: *mut *mut GError)
                                               -> gboolean