Signed Integer Data Types

Int8
A signed 8-bit integer.
Int16
A signed 16-bit integer.
Int32
A signed 32-bit integer.
Int64
A signed 64-bit integer.

In binary metafiles, Int64 is a 64-bit quantity; in text metafiles, it is represented by the following struct:

typedef struct Int64 {
Int32       hi
Uns32       lo
} Int64
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