To obtain a declaration that is not also a definition, we add the extern keyword and may not provide an explicit initializer

KasimKamal

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2022-07-02

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To obtain a declaration that is not also a definition, we add the extern keyword and may not provide an explicit initializer.

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KasimKamal

2022-07-02

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extern int i; // declares but does not define i
int j; // declares and defines j

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