Function CGContextSetCMYKFillColor 

pub extern "C-unwind" fn CGContextSetCMYKFillColor(
    c: Option<&CGContext>,
    cyan: CGFloat,
    magenta: CGFloat,
    yellow: CGFloat,
    black: CGFloat,
    alpha: CGFloat,
)

👎Deprecated: renamed to CGContext::set_cmyk_fill_color

Available on crate feature CGContext only.