Consider the following program in C-like syntax: void f1(); void f2(); int main() { int x, y; ... } int f1() int a, b, x; ... } int f2() { int b, c, x, y; ... } If the programming language uses dynamic scoping, what are the variables that are visible in the last function in the following call sequences? Give not only the names of the variables, but also where they are declared. (a) main → f1 → f2 (b) main → f2 → f1

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Consider the following program in C-like syntax:
void f1();
void f2();
int main()
{
int x, y;
...
}
int f1()
int a, b, x;
...
}
int f2()
{
int b, c, x, y;
...
}


If the programming language uses dynamic scoping, what are the variables that are
visible in the last function in the following call sequences? Give not only the names of
the variables, but also where they are declared.
(a) main → f1 → f2
(b) main → f2 → f1 

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