struct xr_driver *xr;
cairo_surface_t *surface;
cairo_status_t status;
double width_pt, length_pt;
xr = xr_allocate (file_name, device_type, o);
struct xr_driver *xr;
cairo_surface_t *surface;
cairo_status_t status;
double width_pt, length_pt;
xr = xr_allocate (file_name, device_type, o);