Function declarations
Function declarations
A function declaration introduces an identifier that designates a function and, optionally, specifies the types of the function parameters (the prototype). Function declarations (unlike definitions) may appear at block scope as well as file scope.
Syntax
In the declaration grammar of a function declaration, the type-specifier sequence, possibly modified by the declarator, designates the return type (which may be any type other than array or function type), and the declarator has one of two forms:
noptr-declarator
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