Function cairo_sys::cairo_mesh_pattern_get_control_point

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