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• No linkage: If an identifier has no linkage, then any further declaration using the identifier declares something new, such as a new variable or a new type.

According to the C Standard Standard, subclause 6.2.2 [ISO/IEC 9899:2011], linkage is determined as follows:

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The following table identifies the linkage assigned to an object that is declared twice in a single translation unit. The column designates the first declaration, and the row designates the redeclaration.

Noncompliant Code Example

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