- BN_ULLONG map;
- unsigned long length; /* sizeof the bitmap in bits */
- BN_ULLONG max_seq_num; /* max record number seen so far */
+ unsigned long map; /* track 32 packets on 32-bit systems
+ and 64 - on 64-bit systems */
+ unsigned char max_seq_num[8]; /* max record number seen so far,
+ 64-bit value in big-endian
+ encoding */