Assignment to global var. = Redefinition?

Hi
Why isn't assignment to global variables allowed?

Code:

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int t;
t = 9;  // error C2086: 'int t' : redefinition

int main()
{
       
        return 0;
}

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Thanks

Quote:

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Originally Posted by sawer

Hi
Why isn't assignment to global variables allowed?

Code:

---

int t;
t = 9;  // error C2086: 'int t' : redefinition

int main()
{
       
        return 0;
}

---

Thanks

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Because executable statements have to be inside functions. Either:

Code:

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int t = 9; // declaration and definition

int main()
{
}

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or

Code:

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int t;  // declaration - initialised to 0 by default

int main()
{
        t = 9;  // assignment (executable statement, must be in a function)
}

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1, missing type specifier - int assumed. Note: C++ does not support default-int
2, 'int t' : redefinition

Becasue the "int assumed",so the compile think that is redefinition!

Quote:

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Originally Posted by active2volcano

1, missing type specifier - int assumed. Note: C++ does not support default-int

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Huh? :confused:

Quote:

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Huh?

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You used to be able to leave out the type name in C and the compiler would assume you mean int:

Code:

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f(n)
{
 return n;
}

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