Format of Eight-Byte Integer Data

Type long long and its signed and unsigned counterparts
Alignment 8-byte aligned
4-byte aligned
Storage Mapping Byte-reversed, for example, 0x1208164022LL (where 22 is the least significant byte and 12 is the most significant byte) is represented in storage as shown below. High memory is to the right.
byte 0 byte 1 byte 2 byte 3 byte 4 byte 5 byte 6 byte 7
22 40 16 08 12 00 00 00



Data Mapping