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  12 Numbers   12.1 Number Concepts   12.1.1 Numeric Operations Viewing Integers as Bits and Bytes Byte Operations on Integers

The byte-manipulation functions use objects called byte specifiers to designate the size and position of a specific byte within an integer. The representation of a byte specifier is implementation-dependent; it might or might not be a number. The function byte will construct a byte specifier, which various other byte-manipulation functions will accept.

The next figure shows defined names relating to manipulating bytes of numbers.

Defined names relating to byte manipulation.
byte deposit-field ldb-test
byte-position dpb mask-field
byte-size ldb

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