* @return A pointer to the name of the specified UNumberingSystem object, or
* NULL if the name is not one of the ICU predefined names. The pointer
* is only valid for the lifetime of the UNumberingSystem object.
* @return A pointer to the name of the specified UNumberingSystem object, or
* NULL if the name is not one of the ICU predefined names. The pointer
* is only valid for the lifetime of the UNumberingSystem object.