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Difference between “defining” and “declaring” [duplicate]

Difference between “defining” and “declaring” [duplicate]

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What is the difference between a definition and a declaration?

I am trying to thoroughly understand "defining" and "declaring" in C.

I believe x here is defined, since external variables are automatically initialized to 0, and something that's declared and initialized is defined. Is that accurate?

int x;
main() {}

According to one x in this case is a definition, but why? It is not being initialized...

int print_hello()
{
  int x;
}

задан Community 23 May 2017 в 12:19

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Difference between “defining” and “declaring” [duplicate]

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