Function CGContextAddCurveToPoint 

pub extern "C-unwind" fn CGContextAddCurveToPoint(
    c: Option<&CGContext>,
    cp1x: CGFloat,
    cp1y: CGFloat,
    cp2x: CGFloat,
    cp2y: CGFloat,
    x: CGFloat,
    y: CGFloat,
)

👎Deprecated: renamed to CGContext::add_curve_to_point

Available on crate feature CGContext only.