Oh, ok, its a range of lines is it?

Well, the function name is included in the scope of local variables. So e.g. for

int main(void) {
    int i;
    for (i = 0; i < 10; i++) {
        int j;
    }
}

the scope for i is main. Now of course you won't see any nested blocks so j will have the same scope as i but at least you can distinguish what's local for the function and what isn't.

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