522 	uint16_t	spare;  member
540 	uint16_t	spare;  member
617 	uint16_t	spare;  member
634 	uint8_t		spare;  member
844 	uint32_t	spare;		/* unused			*/  member
852 	uint16_t	spare;  member
956 	uint32_t	spare;  member
981 	uint16_t	spare[3];  member
1011 	uint64_t	spare;  member
1026 	uint32_t	spare;  member
1047 	uint32_t	spare;  member
1063 	uint8_t		spare;  member