Function CGPDFDictionaryGetString 

pub unsafe extern "C-unwind" fn CGPDFDictionaryGetString(
    dict: CGPDFDictionaryRef,
    key: NonNull<c_char>,
    value: *mut CGPDFStringRef,
) -> bool

👎Deprecated: renamed to CGPDFDictionary::string

Available on crate features CGPDFDictionary and CGPDFString only.