Function ui_gen_quadrant_mesh 

pub unsafe extern "C" fn ui_gen_quadrant_mesh(
    rounded_corners: UiCorner,
    corner_radius: f32,
    corner_resolution: u32,
    delete_flat_sides: Bool32T,
    quadrantify: Bool32T,
    lathe_pts: *const UiLathePt,
    lathe_pt_count: i32,
) -> MeshT