Function SecCertificateCopyPreference 

pub unsafe extern "C-unwind" fn SecCertificateCopyPreference(
    name: &CFString,
    key_usage: uint32,
    certificate: NonNull<*mut SecCertificate>,
) -> i32

👎Deprecated: renamed to SecCertificate::copy_preference

Available on crate features SecBase and SecCertificate and cssmconfig only.