Function gtk_sys::gtk_render_frame_gap

pub unsafe extern "C" fn gtk_render_frame_gap(
    context: *mut GtkStyleContext,
    cr: *mut cairo_t,
    x: c_double,
    y: c_double,
    width: c_double,
    height: c_double,
    gap_side: GtkPositionType,
    xy0_gap: c_double,
    xy1_gap: c_double
)