(arg)->m_nType = (nType); \
(arg)->m_fieldWidth = (fieldWidth); \
(arg)->m_precision = (precision); \
(arg)->m_precisionPad = (precisionPad); \
(arg)->m_fieldPad = (fieldPad); \
(arg)->m_fFlags = (flags); \
(arg)->m_nFormat = (fmt); \
(arg)->u.m_uint64 =
P6I64(0)