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HP C/iX Reference Manual (31506-90011)

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Chapter 3 25
Data Types and Declarations
3 Data Types and Declarations
In C, as in many other programming languages, you must declare identifiers before you
can use them. The declarable entities in C are objects; functions; tags and members of
structures, unions, and enumerated types; and typedef names. This chapter describes
declarations, type specifiers, storage-class specifiers, structure and union specifiers,
enumerations, declarators, type names, and initialization. Data types and declarations are
defined using Backus-Naur form.