IS_NCCLASS_FLAG_ON  840 regint.h       #define IS_NCCLASS_NOT(nd)      IS_NCCLASS_FLAG_ON(nd, FLAG_NCCLASS_NOT)
IS_NCCLASS_FLAG_ON  841 regint.h       #define IS_NCCLASS_SHARE(nd)    IS_NCCLASS_FLAG_ON(nd, FLAG_NCCLASS_SHARE)