Answer / manoj

By using EXTRN.
Example:
File 1:

int GlobalVariable; // implicit definition
void SomeFunction(); // function prototype
(declaration)

int main() {
GlobalVariable = 1;
SomeFunction();
return 0;
}

File 2:

extern int GlobalVariable; // explicit declaration

void SomeFunction() { // function header (definition)
++GlobalVariable;
}

void main() { char far *farther,*farthest; printf("%d..%d",sizeof(farther),sizeof(farthest)); }

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main() { int i=5; printf("%d%d%d%d",i++,i--,i); }

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What is function pointer and where we will use it

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hello everybody can we change a the adress of a variabl i mean can i put for exemple for a int *p: &p=6 ?????????

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What does typeof return in c?

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