window_visible_ranges
r = window_visible_ranges(wp, xoff, yoff + yy, sx, NULL);
r = window_visible_ranges(ctx->wp, xoff + s->cx, yoff + s->cy,
r = window_visible_ranges(ctx->wp, xoff, yoff + y, sx, NULL);
r = window_visible_ranges(ctx->wp, xoff, yoff + y, sx, NULL);
r = window_visible_ranges(ctx->wp, xoff, yoff + ocy, s->cx + 1, NULL);
r = window_visible_ranges(ctx->wp, xoff, yoff + y, sx, NULL);
r = window_visible_ranges(wp, 0, y + yoff, wsx, NULL);
r = window_visible_ranges(wp, xoff + s->cx, s->cy + yoff, width, NULL);
r = window_visible_ranges(wp, cx - n, cy + yoff, n, NULL);
r = window_visible_ranges(wp, xoff + s->cx, s->cy + yoff, nx,
r = window_visible_ranges(wp, *cx, *cy, 1, NULL);
r = window_visible_ranges(wp, cx, cy, 1, NULL);
struct visible_ranges *window_visible_ranges(struct window_pane *, int, int,