Function CGContextDrawPDFDocument 

pub extern "C-unwind" fn CGContextDrawPDFDocument(
    c: Option<&CGContext>,
    rect: CGRect,
    document: Option<&CGPDFDocument>,
    page: c_int,
)

👎Deprecated: renamed to CGContext::draw_pdf_document

Available on crate features CGContext and CGPDFDocument only.