Function cairo_sys::cairo_mesh_pattern_get_control_point

pub unsafe extern "C" fn cairo_mesh_pattern_get_control_point(
    pattern: *mut cairo_pattern_t,
    patch_num: c_uint,
    point_num: cairo_mesh_corner_t,
    x: *mut c_double,
    y: *mut c_double
) -> cairo_status_t