Function CFHTTPMessageAddAuthentication 

pub unsafe extern "C-unwind" fn CFHTTPMessageAddAuthentication(
    request: &CFHTTPMessage,
    authentication_failure_response: Option<&CFHTTPMessage>,
    username: &CFString,
    password: &CFString,
    authentication_scheme: Option<&CFString>,
    for_proxy: bool,
) -> bool

👎Deprecated: renamed to CFHTTPMessage::add_authentication

Available on crate feature CFHTTPMessage only.