pub unsafe extern "C" fn CGPathAddArc(
path: CGMutablePathRef,
transform: *const CGAffineTransform,
x: CGFloat,
y: CGFloat,
radius: CGFloat,
startAngle: CGFloat,
endAngle: CGFloat,
clockwise: bool,
)pub unsafe extern "C" fn CGPathAddArc(
path: CGMutablePathRef,
transform: *const CGAffineTransform,
x: CGFloat,
y: CGFloat,
radius: CGFloat,
startAngle: CGFloat,
endAngle: CGFloat,
clockwise: bool,
)