screen_write_start
screen_write_start(&ctx, left);
screen_write_start(&ctx, centre);
screen_write_start(&ctx, right);
screen_write_start(&ctx[i], &s[i]);
screen_write_start(sctx, &wp->base);
screen_write_start(sctx, &wp->base);
screen_write_start(&ctx, s);
screen_write_start(&ctx, s);
screen_write_start(&ctx, &s);
screen_write_start(&ctx, &wp->status_screen);
screen_write_start(&ctx, &sl->screen);
screen_write_start(&ctx, sl->active);
screen_write_start(&ctx, sl->active);
void screen_write_start(struct screen_write_ctx *, struct screen *);
screen_write_start(&ctx, s);
screen_write_start(&ctx, s);
screen_write_start(&ctx, &ss);
screen_write_start(&ctx, &ss);
screen_write_start(&ctx, &data->screen);
screen_write_start(&backing_ctx, backing);