Function WSRegisterLinkServiceWithHostname 

pub unsafe extern "C" fn WSRegisterLinkServiceWithHostname(
    env: WSEnvironment,
    serviceProtocol: *const c_char,
    serviceName: *const c_char,
    hostname: *const c_char,
    function: MLRegisterCallbackFunction,
    domain: *const c_char,
    context: *mut c_void,
    ref_: *mut WSServiceRef,
    error: *mut c_int,
) -> WSLINK