What function calls are provided by the ShortStack API?　　The ShortStack API provides a roximately 10 function calls. The four that you will typically use in your a lication are the following:　　　　void lonInit(void);　　void lonEventHandler(void);　　Byte *lonGetNvValue(Byte nvIndex);　　Bool lo endNvUpdate(Byte nvIndex, co t Byte* pData, Byte len);　　　　　　Additional functio  are provided to receive notification of network variable updates, to send and receive a lication me ages, and to send service pin me ages.