Function CTFontDescriptorCreateMatchingFontDescriptor 

pub unsafe extern "C-unwind" fn CTFontDescriptorCreateMatchingFontDescriptor(
    descriptor: &CTFontDescriptor,
    mandatory_attributes: Option<&CFSet>,
) -> Option<CFRetained<CTFontDescriptor>>

👎Deprecated: renamed to CTFontDescriptor::matching_font_descriptor

Available on crate feature CTFontDescriptor only.