RW_LBL_OFFSET
mdb_printf("%*s%*s --+---+", RW_LBL_OFFSET, "", RW_LBL_WIDTH,
mdb_printf("%*s%*s ------+%c%c", RW_LBL_OFFSET, "", RW_LBL_WIDTH,
mdb_printf("%*s%*s -------+%c", RW_LBL_OFFSET, "", RW_LBL_WIDTH,
mdb_printf("%*s%*s --------+", RW_LBL_OFFSET, "", RW_LBL_WIDTH,