长短地址如何互相查询？

如题，请问TI大牛：

1. 知道短地址Node ID如何查询IEEE ID?

2. 知道IEEE ID 如何查询短地址Node ID?

/*
* This function gets the EXT address based on the NWK address.
*/
extern uint8 APSME_LookupExtAddr( uint16 nwkAddr, uint8* extAddr );

/*
* This function gets the NWK address based on the EXT address.
*/
extern uint8 APSME_LookupNwkAddr( uint8* extAddr, uint16* nwkAddr );