CLHS: Section 12.1.1.3.2

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## 12.1.1.3.2 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.

    byte           deposit-field  ldb-test
    byte-position  dpb            mask-field
    byte-size      ldb

Figure 12-6. Defined names relating to byte manipulation.

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