_c(' %s *xcb_out = *_buffer;', self.c_type)
_c(' unsigned int xcb_out_pad = -sizeof(%s) & 3;', self.c_type)
_c(' unsigned int xcb_buffer_len = sizeof(%s) + xcb_out_pad;', self.c_type)
_c(' %s *xcb_out = *_buffer;', self.c_type)
_c(' unsigned int xcb_out_pad = -sizeof(%s) & 3;', self.c_type)
_c(' unsigned int xcb_buffer_len = sizeof(%s) + xcb_out_pad;', self.c_type)